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BNC: 2215 COCA: 8817

bob

1 bob /ˈbɑːb/ verb
bobs; bobbed; bobbing
1 bob
/ˈbɑːb/
verb
bobs; bobbed; bobbing
Learner's definition of BOB
: to move up and down quickly or repeatedly快速上下移动;上下摆动
[no object]
[+ object]

bob for apples

: to play a children's game in which you try to grab floating or hanging apples with your teeth咬苹果游戏(试图用牙咬住浮在水面或悬挂着的苹果的游戏)

bob up

[phrasal verb] informal
: to appear suddenly or unexpectedly突然冒出
compare 4bob
2 bob /ˈbɑːb/ noun
plural bobs
2 bob
/ˈbɑːb/
noun
plural bobs
Learner's definition of BOB
[count]
: a quick up-and-down motion快速上下摆动
compare 3bob, 5bob
3 bob /ˈbɑːb/ noun
plural bobs
3 bob
/ˈbɑːb/
noun
plural bobs
Learner's definition of BOB
[count]
: a woman's or child's haircut in which the hair is all one length and usually at about the level of the person's chin(女士或孩子的)齐耳短发
: 2float 1a

bits and bobs

see 1bit
compare 2bob, 5bob
4 bob /ˈbɑːb/ verb
bobs; bobbed; bobbing
4 bob
/ˈbɑːb/
verb
bobs; bobbed; bobbing
Learner's definition of BOB
[+ object]
: to cut (something, such as an animal's tail) shorter把(动物尾巴等)截短
: to cut (a person's hair) so that it is all one length and usually at about the level of the person's chin将(头发)剪成齐耳短发
compare 1bob
5 bob /ˈbɑːb/ noun
plural bob
5 bob
/ˈbɑːb/
noun
plural bob
Learner's definition of BOB
[count] British, informal
: shilling
compare 2bob, 3bob

Bob

Bob /ˈbɑːb/ noun
Bob
/ˈbɑːb/
noun
Learner's definition of BOB

and Bob's your uncle

British, informal
used to say that something is easy to do or use就这么简单
BNC: 2215 COCA: 8817

bob

1 of 7

verb (1)

bobbed; bobbing

transitive verb

1
: to strike with a quick light blow : rap
2
: to move up and down in a short quick movement
bob the head
3
: to polish with a bob : buff

intransitive verb

1
a
: to move up and down briefly or repeatedly
b
: to emerge, arise, or appear suddenly or unexpectedly
2
: to nod or curtsy briefly
3
: to try to seize a suspended or floating object with the teeth

bob

2 of 7

noun (1)

1
a
: a short quick down-and-up motion
b
Scotland : any of several folk dances
2
obsolete : a blow or tap especially with the fist
3
a
: a modification of the order in change ringing
b
: a method of change ringing using a bob
4
: a small polishing wheel of solid felt or leather with rounded edges

bob

3 of 7

verb (2)

bobbed; bobbing

transitive verb

1
obsolete : deceive, cheat
2
obsolete : to take by fraud : filch

bob

4 of 7

noun (2)

1
a(1)
(2)
Scotland : nosegay
b
: a knob, knot, twist, or curl especially of ribbons, yarn, or hair
c
: a short haircut on a woman or child
2
3
: a hanging ball or weight (as on a plumb line)
4
: trifle sense 1
bits and bobs

bob

5 of 7

verb (3)

bobbed; bobbing

transitive verb

1
: to cut shorter : crop
bob a horse's tail
2
: to cut (hair) in the style of a bob

bob

6 of 7

noun (3)

plural bob
British slang

bob

7 of 7

noun (4)

Word History

Etymology

Verb (1)

Middle English boben

Verb (2)

Middle English bobben, from Old French bober

Noun (2)

Middle English bobbe

Noun (3)

perhaps from the name Bob

First Known Use

Verb (1)

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

Noun (1)

circa 1550, in the meaning defined at sense 1b

Verb (2)

14th century, in the meaning defined at sense 1

Noun (2)

15th century, in the meaning defined at sense 1a(1)

Verb (3)

1822, in the meaning defined at sense 1

Noun (3)

1789, in the meaning defined above

Noun (4)

1856, in the meaning defined above

Time Traveler
The first known use of bob was in the 13th century
BNC: 2215 COCA: 8817
bob

verb

ADVERB | PHRASES ADVERBgently, slightly輕輕擺動about, along上下擺動An old cigarette pack bobbed along in the current.一個舊香煙盒順水起伏漂流。PHRASESbob up and down上下波動The small boats bobbed gently up and down in the bay.小船在港口輕輕顛簸晃動。

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