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TOEFL BNC: 1643 COCA: 1189

brain

1 brain /ˈbreɪn/ noun
plural brains
1 brain
/ˈbreɪn/
noun
plural brains
Learner's definition of BRAIN
[count]
: the organ of the body in the head that controls functions, movements, sensations, and thoughts
often used before another noun常用于另一名词前
informal : the ability to think and reason : intelligence智力;脑力;逻辑思维能力
often plural常用复数
informal : a very intelligent person很有智慧的人;很聪明的人
◊ If you are the brains of/behind something, you are the person who thinks of plans or makes important decisions for a group.出谋划策者;智囊

beat/bash someone's brains out

informal or US beat/bash someone's brains in
: to hit someone on the head in a way that causes serious injury or death : to beat someone very badly重击某人头部(以致重伤或死亡)

blow someone's brains out

informal
: to kill someone with a shot to the head : to shoot someone fatally in the head用枪击头部致死

cudgel your brain/brains

informal + old-fashioned
: to think very hard : to rack your brain绞尽脑汁;苦苦思考

on the brain

informal
: always in your thoughts萦绕于脑际;念念不忘

pick someone's brain/brains

informal
: to talk to someone in order to get helpful information or advice向(某人)打探情况;咨询(某人的)意见

rack your brain/brains

see 2rack
2 brain /ˈbreɪn/ verb
brains; brained; braining
2 brain
/ˈbreɪn/
verb
brains; brained; braining
Learner's definition of BRAIN
[+ object] informal
: to hit (someone) on the head very hard猛击(某人)头部
TOEFL BNC: 1643 COCA: 1189

brain

1 of 2

noun

1
a
: the portion of the vertebrate central nervous system enclosed in the skull and continuous with the spinal cord through the foramen magnum that is composed of neurons and supporting and nutritive structures (such as glia) and that integrates sensory information from inside and outside the body in controlling autonomic function (such as heartbeat and respiration), in coordinating and directing correlated motor responses, and in the process of learning compare forebrain, hindbrain, midbrain
b
: a nervous center in invertebrates comparable in position and function to the vertebrate brain
2
a(1)
: intellect, mind
has a clever brain
(2)
: intellectual endowment : intelligence
often used in plural
plenty of brains in that family
b(1)
: a very intelligent or intellectual person
(2)
: the chief planner within a group
usually used in plural
she's the brains behind their success
3
: something that performs the functions of a brain
especially : an automatic device (such as a computer) for control or computation

Illustration of brain

Illustration of brain
  • 1 cerebral hemisphere
  • 2 corpus callosum
  • 3 ventricle
  • 4 fornix
  • 5 thalamus
  • 6 pituitary gland
  • 7 pons
  • 8 medulla oblongata
  • 9 spinal cord
  • 10 cerebellum
  • 11 midbrain

brain

2 of 2

verb

brained; braining; brains

transitive verb

1
: to kill by smashing the skull
2
: to hit on the head

Example Sentences

Noun Scientists are learning more about how the human brain works. The left and right sides of the brain have different functions. The other children always teased him about being such a brain. Verb The tree limb fell and nearly brained me.
Recent Examples on the Web
Noun
Their new model tracks spatial information in a way that parallels the inner workings of the brain. Stephen Ornes, Quanta Magazine, 12 Sep. 2022 The problem-solving tasks will vary widely to ensure a workout for all parts of the brain. cleveland, 5 Sep. 2022 Carhart-Harris and his coauthors posited that perhaps the effect was the result of boosting connections between different parts of the brain. WIRED, 2 Sep. 2022 Those people underwent cognitive and mental health testing and received a diffusion MRI of the brain. Sandee Lamotte, CNN, 30 Aug. 2022 In a 2019 review article on memory perspective, St. Jacques noted that shifting your vantage and fabricating an entirely new scene rely on the same mental processes occurring in the same regions of the brain. Jacob Stern, The Atlantic, 29 Aug. 2022 The Infrared Sauna Blanket V4 detoxifies the body, relaxes the mind, boosts your mood, promotes glowing skin, and ignites a healthy DOSE of your brain’s feel-good chemicals (Dopamine, Oxytocin, Serotonin, Endorphins). Olivia O'bryon, Forbes, 25 Aug. 2022 On one occasion, he was hit by a piece of shrapnel and lost a portion of his brain, according to the Post. Stephanie Wenger, Peoplemag, 24 Aug. 2022 But the regions of the brain responsible for self-regulation do not develop any faster or earlier than before. New York Times, 22 Aug. 2022
Verb
The cancer initiative is personal for Biden, who lost his son Beau Biden to brain cancer in 2015. Alexander Thompson, BostonGlobe.com, 11 Sep. 2022 The man who could brain Mr. Lingk with Rusty’s ashes, or the one who could harm and tie up a helpless old lady, would almost certainly be game for something that nasty. Alan Sepinwall, Rolling Stone, 9 Aug. 2022 This can help alleviate back and neck stress and give your eyes and brain a break from the screen. Alexa Mikhail, Fortune, 28 July 2022 They are linked to brain developmental problems in infants and cancer. Katy Stech Ferek, WSJ, 31 Jan. 2022 How will brain stimulation become accessible to all the patients who need it, given how expensive and invasive some treatments are? Isabella Cueto, STAT, 14 Jan. 2022 The researchers contend that this study marks the first time that a machine-learning algorithm has been matched to brain data to explain the workings of a high-level cognitive task. Anna Blaustein, Scientific American, 26 Oct. 2021 Arguably, achieving universal health care and higher education and addressing the nation’s aging water pipe infrastructure (which has yielded a modern-day lead crisis) could be expected to make similar contributions to brain health across decades. Daniel R. George, Scientific American, 25 Aug. 2021 Then of course there’s me, spying on these other women — and some dads, too — instead of keeping tabs on my four kids, one of whom is poised to brain somebody with a stick. Washington Post, 4 June 2021 See More

Word History

Etymology

Noun

Middle English, from Old English brægen; akin to Middle Low German bregen brain, and perhaps to Greek brechmos front part of the head

First Known Use

Noun

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

Verb

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of brain was before the 12th century
TOEFL BNC: 1643 COCA: 1189
brain

noun¹

1part of the body身體ADJECTIVE | BRAIN + NOUN | PREPOSITION | PHRASES ADJECTIVEhuman人腦left, right左腦;右腦The left brain controls the right-hand side of the body.左腦控制人的右半身。BRAIN + NOUNcell, tissue腦細胞;腦組織region大腦區域stem (usually brainstem) 腦幹function, process大腦功能/活動過程activity大腦活動damage, death, disease, disorder, failure, haemorrhage/hemorrhage, illness, injury, tumour/tumor大腦損傷;腦死亡;腦部疾患;腦部病症;腦力衰竭;腦出血;腦瘤scan腦部掃描He had a brain scan to search for possible damage.他做了個腦掃描檢查是否有損傷。surgeon, surgery腦外科醫生;腦外科waves (usually brainwaves) 腦電波PREPOSITIONin the/your brain在大腦裏Doctors tried to reduce the swelling in his brain.醫生試圖減輕他的腦腫脹。on the/your brain在大腦裏;一直想着⋯He was found to have a blood clot on his brain.他的腦部發現有血塊。He has sex on the brain (= thinks about nothing but sex).他滿腦子想的都是性。PHRASESblow your brains out打得腦袋開花He put a gun to his head and threatened to blow his brains out.他用槍指着他的頭,威脅說要讓他腦袋開花。
brain

noun²

2ability to think/intelligence腦力ADJECTIVE | VERB + BRAIN | BRAIN + VERB | BRAIN + NOUN | PREPOSITION | PHRASES ADJECTIVEfertile, fine, good, great, quick豐富的頭腦;精明的頭腦;機敏的頭腦muddled, tired混亂的頭腦;疲憊的腦子My tired brain couldn't cope with such a complex problem.我疲勞的大腦無法應付如此複雜的問題。analytical善於分析的頭腦VERB + BRAINrack絞盡腦汁We racked our brains but we couldn't come up with a solution.我們絞盡腦汁也想不出解決方法。pick sb's (= ask sb for information because they know more about a subject than you) 向某人求教I need to pick your brains: what can you tell me about credit unions?我向您請教一下:您能告訴我信用合作社是怎麼回事嗎?take費腦子It doesn't take much brain to work out that both stories can't be true.用不着多想就知道兩種說法都不可能是真的。use動腦子BRAIN + VERBfunction, tick over, work大腦運轉It's important to keep your brain ticking over.經常開動腦筋很重要。reel大腦眩暈His brain reeled as he realized the implication of his dismissal.當意識到這是暗示要解雇他時,他的大腦一陣眩暈。register sth大腦注意到⋯The stopping distance includes the time taken for the brain to register the need to stop.制動停車距離涵蓋了大腦意識到必須停車所需要的時間。BRAIN + NOUNpower (usually brainpower) 腦力;智囊drain (= the movement of skilled people to other countries) 人才流失PREPOSITIONbrain behind⋯的出謀劃策者He was the brains behind the robberies.他是劫案背後的謀劃者。PHRASESbrains, not brawn腦力而非體力They relied on brains rather than brawn (= intelligence, not strength).他們靠的是腦力,而不是體力。have a brain for sth有⋯頭腦She has a good brain for mathematics.她很有數學頭腦。

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