cap
noun/kæp/
/kæp/
Idioms 
enlarge imagea type of soft flat hat with a peak (= a hard curved part sticking out in front). Caps are worn especially by men and boys, often as part of a uniform（尤指男用有帽舌的）便帽，制服帽 - to wear a cap.
戴帽子。 - to put on/take off a cap
戴上/脱下帽子 - to have a cap on
有一个上限 - a school cap
学生帽 - a peaked cap
鸭舌帽
Oxford Collocations Dictionaryadjective- school
- shower
- skull
- …
- doff
- tip
- badge
- to wear a cap.
- (usually in compounds) a soft hat that fits closely and is worn for a particular purpose
软帽 - a shower cap
浴帽
Oxford Collocations Dictionaryadjective- school
- shower
- skull
- …
- doff
- tip
- badge
- a shower cap
- a soft hat with a square flat top worn by some university teachers and students at special ceremonies
（大学师生在特别场合戴的）方帽 - (British English) a cap given to somebody who is chosen to play for a school, country, etc.; a player chosen to play for their country, etc.
（校队、国家队等的）队员帽；（被选入国家队等的）运动员 - He won his first cap (= was first chosen to play) for England against France.
他首次入选英格兰队与法国队比赛。 - There are three new caps in the side.
这一方有三名新队员。
- He won his first cap (= was first chosen to play) for England against France.
- a cover or top for a pen, bottle, etc.
enlarge image（钢笔、瓶子等的）帽，盖 - a lens cap
镜头盖 - The bottle has a screw cap.
这个瓶子有一个螺旋盖。
Synonyms lidlidtop ▪ cork ▪ cap ▪ plugThese are all words for a cover for a container.lid a cover over a container that can be removed or opened by turning or lifting it:- a jar with a tight-fitting lid
盖子很紧的广口瓶
- a bath plug
浴缸塞子
- a tight-fitting lid/top/cap
- a screw top/cap
- a pen lid/top
- to put on/screw on/take off/unscrew the lid/top/cap
- to pull out the cork/plug
Oxford Collocations Dictionaryadjective- bottle
- hub
- lens
- …
- put on
- screw on
- remove
- …
- a lens cap
- an artificial cover for a damaged tooth
（受损牙齿的）人造冠 - He needed four caps for his teeth after the accident.
事故发生后，他的牙齿需要戴四顶帽子。
- He needed four caps for his teeth after the accident.
- the top of a mountain or a wave
山顶；浪尖 - Purple mist sat below the snowy mountain caps.
紫色的薄雾笼罩在白雪皑皑的山顶下。
- Purple mist sat below the snowy mountain caps.
- an upper limit on an amount of money that can be spent or borrowed by a particular institution or in a particular situation
（可用或可借资金的）最高限额 - The government has placed a cap on local council spending.
政府给地方议会的经费支出规定了最高限额。
- The government has placed a cap on local council spending.
- a small paper container with explosive powder inside it, used especially in toy guns
（尤用于玩具枪的）火药帽，火药纸 - (British English) (also diaphragm British and North American English)a rubber or plastic device that a woman places inside her vagina before having sex to prevent sperm from entering the womb and making her pregnant
阴道隔膜（避孕用具） see also cradle cap, dunce’s cap, ice cap, thinking cap
hat
in sport
on pen/bottle
on tooth
on mountain/wave
limit on money
in toy guns
for woman
Word OriginOld English cæppe ‘hood’, from late Latin cappa, perhaps from Latin caput ‘head’.
Idioms
a feather in your cap
- an action that you can be proud of
可引以自豪的行为
go cap in hand (to somebody) (especially British English)
(North American English usually go hat in hand)
- to ask somebody for something, especially money, in a very polite way that makes you seem less important
谦卑地要，恭敬地讨（尤指钱） - There’s no way he’ll go cap in hand to his brother.
他不可能向他的兄弟屈服。
- There’s no way he’ll go cap in hand to his brother.
if the cap fits (, wear it) (British English)
(North American English if the shoe fits (, wear it))
- (informal) if you feel that a remark applies to you, you should accept it and take it as a warning or criticism
有则改之 - I didn’t actually say that you were lazy, but if the cap fits…
我并没有真的说你懒，但有则改之…
- I didn’t actually say that you were lazy, but if the cap fits…