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BNC: 491 COCA: 491

arm

1 arm /ˈɑɚm/ noun
plural arms
1 arm
/ˈɑɚm/
noun
plural arms
Learner's definition of ARM
[count]
: either one of the two long body parts that join the top of your body at the shoulder and that end at the hand or wrist臂;上肢
see picture at human
: the part of a piece of clothing (such as a shirt or coat) that covers the arm : sleeve袖子
: a part of a piece of furniture (such as a chair or couch) that gives support for a person's arm(椅子或沙发的)扶手
see also 1armchair
: a long thin piece that is connected to the main part of a machine, structure, etc., and that looks or moves like a human arm(机器、仪器等的)臂,杆
: a long and narrow area of water狭长港湾
: the part of a group or organization that performs a specific job or function职能部门usually singular通常用单数
US, sports : a person's ability to throw a ball投掷能力;臂力usually singular通常用单数

an arm and a leg

informal
: a very large amount of money大笔钱财

arm in arm

: next to each other with the arm of one person linked at the elbow to the arm of another person臂挽臂地

a shot in the arm

see 1shot

as long as someone's arm

see 1long

at arm's length

: from a distance that is the length of a person's arm以一臂之长;在伸手可及处
◊ To keep someone or something at arm's length is to avoid being very close to or friendly with someone or something.与…保持距离;避免与…过于紧密

chance your arm

see 2chance

give your right arm

see 1give

the long arm of the law

: the ability of the police to find and catch people who commit crimes警方追捕罪犯的能力;法网恢恢

twist someone's arm

see 1twist

with open arms

: in a very kind and friendly way热烈地;友好地
compare 2arm
2 arm /ˈɑɚm/ noun
plural arms
2 arm
/ˈɑɚm/
noun
plural arms
Learner's definition of ARM
[count] : a gun or other weapon that is used especially in a war武器;兵器usually plural通常用复数
often used before another noun常用于另一名词前
see also arms race, firearm, small arms
arms [plural] : coat of arms

call to arms

◊ A call to arms is a request or command to become ready to fight.战斗号令
◊ The phrase is also used for something that tries to make people fight for a cause.这个短语也用于号召人们为某一事业而战。

in arms

◊ If someone is your brother/sister/comrade in arms, that person has helped you fight an enemy especially in a war.战友

lay down your arms

: to put down your weapons and stop fighting放下武器;停止战斗

present arms

military
used as a command to hold your rifle so that it points straight up in front of you as a sign of respect持枪敬礼

take up arms

: to pick up weapons and become ready to fight拿起武器;准备战斗

under arms

: serving in the military服现役的

up in arms

: angry and ready to fight or argue强烈抗议;极力反对
compare 1arm
3 arm /ˈɑɚm/ verb
arms; armed; arming
3 arm
/ˈɑɚm/
verb
arms; armed; arming
Learner's definition of ARM
: to provide (yourself, a group, a country, etc.) with weapons especially in order to fight a war or battle武装;备战;装备
[+ object]
often + with
[no object]
opposite disarm; see also 1armed, unarmed
[+ object] : to provide (someone) with a way of fighting, competing, or succeeding(为了战斗、竞争、成功等)提供,配备,武装
[+ object] : to make (a bomb, weapon, etc.) ready for use使(炸弹、武器等)随时爆炸;给…装上引信;准备发射
opposite disarm
BNC: 491 COCA: 491

arm

1 of 5

noun (1)

plural arms
1
: a human upper limb
especially : the part between the shoulder and the wrist
2
: something like or corresponding to an arm: such as
a
: the forelimb of a vertebrate
b
: a limb of an invertebrate animal
c
: a branch or lateral shoot of a plant
d
: a slender part of a structure, machine, or an instrument projecting from a main part, axis, or fulcrum
e
: the end of a ship's yard
also : the part of an anchor from the crown to the fluke see anchor illustration
f
: any of the usually two parts of a chromosome lateral to the centromere
3
: an inlet of water (as from the sea)
4
: a narrow extension of a larger area, mass, or group
5
: power, might
the long arm of the law
6
: a support (as on a chair) for the elbow and forearm
7
: sleeve
8
: the ability to throw or pitch a ball well
also : a player having such ability
9
: a functional division of a group, organization, institution, or activity
the logistical arm of the air force
10
medical : a group of subjects provided a particular treatment in a clinical trial
Since this trial did not include a radiation-only treatment arm, it has been questioned whether radiation therapy alone might be as effective as sequential chemotherapy and radiation therapy in preserving the larynx. Everett E. Vokes et al.
armless adjective
armlike adjective

arm

2 of 5

verb

armed; arming; arms

transitive verb

1
: to furnish or equip with weapons
2
: to furnish with something that strengthens or protects
arming citizens with the right to vote
3
: to equip or ready for action or operation
arm a bomb

intransitive verb

: to prepare oneself for struggle or resistance
arm for combat

arm

3 of 5

noun (2)

often attributive
1
a
: a means (such as a weapon) of offense or defense
especially : firearm
b
: a combat branch (as of an army)
c
: an organized branch of national defense (such as the navy)
2
arms plural
a
: the hereditary heraldic devices of a family
b
: heraldic devices adopted by a government
3
arms plural
a
: active hostilities : warfare
a call to arms
b
: military service

Arm

4 of 5

abbreviation (1)

Armenian

ARM

5 of 5

abbreviation (2)

adjustable rate mortgage
Phrases
arm in arm
: with arms linked together
up in arms
: aroused and ready to undertake a fight or conflict

Example Sentences

Verb They armed the men for battle. The group of fighters was armed by a foreign government. The two countries have been arming themselves for years, but now they have agreed to disarm. We armed ourselves with the tools we would need to survive in the forest. They arm people with accurate information. arming women with the right to vote Once the bomb has been armed, we have five minutes to escape. See More

Word History

Etymology

Noun (1)

Middle English, going back to Old English earm, arm, going back to Germanic *arma-, masculine, (whence also Old Frisian erm "arm," Old Saxon arm, Old High German aram, arm, Old Norse armr, Gothic arms), going back to Indo-European *h2orH-mo-, whence also Old Church Slavic ramo "shoulder," Bosnian-Croatian-Serbian rȁme, stem rȁmen-, Czech ráměk; a parallel zero-grade *h2r̥H-mó- gives Old Prussian irmo "arm," Lithuanian (eastern dialects) ìrmėdė "pain from gout, chill, fever" (irm- "arm" + -ėdė "eating"), Sanskrit īrmá- "arm," Avestan arəma-; Latin armus "forequarter (of an animal), shoulder" probably goes back to *h2erH-mo-

Note: Usually claimed to be a derivative of the verb *h2er- "fit, join" (see arm entry 3)—very plausible semantically—though the Sanskrit and Baltic forms require a second laryngeal (*h2erH-) in the base (cf. Rix et al., Lexikon der indogermanischen Verben, 2. Auflage, Wiesbaden, 2001, where the verbal base is posited without a second laryngeal). Could the suffix be *-H-mo-? The Slavic noun fluctuates in inflection between -mo- and -men- (see André Vaillant, Grammaire comparée des langues slaves, II:1 [Lyon, 1958], pp. 214-15). According to P. Schrijver, The Reflexes of the Proto-Indo-European Laryngeals in Latin (Amsterdam, 1991), p. 194, Latin armus cannot be traced to *h2r̥H-mo-, which would have yielded *ramus. Regarding Armenian armukn "elbow," see H. K. Martirosyan, Etymological Dictionary of the Armenian Inherited Lexicon, Leiden, 2010, s.v.

Verb

Middle English armen, borrowed from Anglo-French armer, going back to Latin armāre, derivative of arma "implements of war, weapons, equipment" — more at arm entry 3

Noun (2)

Middle English armes (plural), "weapons, the military profession, heraldic devices," borrowed from Anglo-French, plural of arme "weapon," going back to Latin arma (neuter plural) "implements of war, weapons, equipment," derivative, with a suffix *-mo-, from a presumed verbal base *ar-, going back to Indo-European *h2er- "fit, join," whence Greek reduplicated aorist ḗraron "(I) fit together, equipped, fit closely" (from which present tense ararískō, ararískein), ármenos (middle participle) "fitting, suited to," and (with suffixed *-smo- giving initial aspiration?) harmós "joint," hárma, harmat- "chariot, team of horses"; Armenian arari "(I) made," aṙnem "I make"

First Known Use

Noun (1)

before the 12th century, in the meaning defined at sense 1

Verb

13th century, in the meaning defined at transitive sense 2

Noun (2)

13th century, in the meaning defined at sense 1a

Time Traveler
The first known use of arm was before the 12th century
BNC: 491 COCA: 491
arm

noun

ADJECTIVE | VERB + ARM | ARM + VERB | ARM + NOUN | PREPOSITION | PHRASES ADJECTIVEleft, right左臂;右臂upper上臂the muscles of the upper arm上臂的肌肉muscular, powerful, strong肌肉發達的/有力的/粗壯的胳膊bony, skinny, slender, thin瘦骨嶙峋的/瘦成皮包骨的/纖長的/瘦瘦的胳膊short短胳膊hairy多毛的胳膊good好胳膊He used his good arm to support his weight.他用那隻好胳膊支撑身體的重量。aching, bad, bleeding, broken, bruised, injured, sore, weak隱隱作痛的/有傷病的/流血的/折斷的/擦傷的/受傷的/疼痛的/無力的胳膊I have a sore arm, so I'm afraid I can't help you.我的胳膊疼,恐怕沒法幫你了。bandaged紮了繃帶的胳膊prosthetic假臂raised, upraised舉起的/抬起的胳膊extended, open (often figurative) , outstretched伸開的胳膊;張開的臂膀;展開的臂膀
They're sure to welcome you with open arms.他們一定會張開雙臂熱烈歡迎你。comforting, loving, protective傳遞安慰的/表達愛意的/給予保護的臂膀He placed a comforting arm around her shoulder.他一隻手臂摟住她的肩頭,安慰她。waiting, welcoming等候的/歡迎的臂膀Kris collapsed into her mother's waiting arms.克里斯癱倒在母親伸出的臂彎裏。crossed, folded交叉的/合抱的臂膀He stood there with crossed arms, looking angry.他雙臂合抱站在那裏,看樣子很生氣。shaking, trembling哆嗦的/顫抖的胳膊flailing搖動的胳膊She ducked his flailing arms.她避開了他揮舞的胳膊。bare赤膊tanned曬黑的胳膊tattooed刺有文身的胳膊VERB + ARMbend, flex, move曲臂;活動手臂;移動胳膊lift, lower, raise抬起/放下/舉起胳膊The figure in the boat raised an arm.那條船上的人舉起了一隻胳膊。flap, swing, wave搖動/揮動/揮舞手臂He was running forward, waving his arms.他揮舞着雙臂向前跑。break, dislocate, hurt, twist折斷胳膊;使胳膊脫臼;使胳膊受傷;扭傷胳膊amputate截去胳膊extend, hold out, open, stretch out伸開臂膀;伸出胳膊;張開臂膀;伸展胳膊He held out his arms with a broad smile.他滿臉笑容地張開了雙臂。cross, fold交叉雙臂;雙臂合抱於胸前She folded her arms and stared at him.她雙臂合抱在胸前,直視着他。uncross, unfold打開/展開雙臂hook, link挽着臂膀The couple linked arms and set off along the beach.夫婦倆挽着手臂,沿海灘向前走。catch, catch at, catch hold of, clutch, grab, grasp, take抓住手臂;握住胳膊A hand reached out and caught hold of her arm.一隻手伸出去抓住了她的胳膊。She moved closer to her father and took his arm.她靠近父親,挽起了他的胳膊。grip, hold, pat, squeeze, touch緊握胳膊;抓住手臂;輕拍胳膊;擠壓胳膊;觸摸胳膊fall into投入懷抱They fell into each other's arms.他們擁抱在了一起。draw sb into, gather sb into, pull sb into, take sb in把某人拉進懷中;把某人擁入懷中He pulled her into his arms and kissed her.他把她擁入懷中,吻了她。hold sb in摟着某人ARM + VERBdrop胳膊垂下bend胳膊彎曲dangle, hang胳膊下垂His arm hung awkwardly against his side.他的胳彆別扭地垂在身旁。circle, slide, slip胳膊環繞;胳膊滑動His arms slid around her.他的雙臂在她周身滑動。cradle sb/sth胳膊輕輕抱着⋯clutch sb/sth手臂抓住⋯His arms clutched his stomach.他雙臂緊捂着肚子。rest胳膊倚靠Her arms were resting on the table.她雙臂撑在桌子上。tighten胳膊收緊Her arms tightened convulsively around the child.她一下子緊緊摟住了孩子。shake, tremble胳膊哆嗦/顫抖flail, swing, wave手臂搖動/揮動/揮舞ARM + NOUNinjury胳膊受傷muscle臂部肌肉motion, movement胳膊所作的動作/運動gesture手臂姿勢stroke, swing胳膊的一動/一揮workout臂力鍛煉PREPOSITIONby the arm抓住手臂The officer grabbed him by the arm (= grabbed his arm).那名軍官抓住了他的胳膊。in sb's arms在某人的懷抱裏The child lay in its mother's arms.孩子躺在母親的懷裏。on the arm在胳膊上She touched him gently on the arm.她輕輕碰了碰他的胳膊。on your arm在胳膊上;挽着胳膊Lucy felt the warm sun on her bare arms.露西感覺得到溫暖的陽光照在她裸露的雙臂上。He walked in with a tall blonde on his arm (= next to him and holding his arm).他挽着一個身材高挑的金髮美女走了進來。under an/one/your arm在胳膊下She carried the dog under one arm.她把小狗夾在腋下。PHRASESarm in arm臂挽臂They walked along arm in arm (= with the arm of one person linked with the arm of the other).他們臂挽臂地走着。at arm's length保持盡可能遠的距離He held the dirty rag at arm's length (= as far away from his body as possible).他拎着髒抹布,身子離得遠遠的。the crook of an/sb's arm(某人的)臂彎She lay curled up in the crook of his arm.她蜷縮着躺在他的臂彎裏。fling your arms around sb/sth, put your arms around sb/sth, throw your arms around sb/sth張開雙臂摟住⋯He ran up to her and flung his arms around her.他奔向她,張開雙臂摟住了她。in each other's arms相互擁抱着They fell asleep in each other's arms (= holding each other).他們相擁着睡着了。with arms akimbo (= with your arms bent and your hands on your hips) 雙手叉腰She stood looking at him with arms akimbo.她雙手叉腰站着,直視着他。

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