nut
noun/nʌt/
/nʌt/
Idioms 
enlarge image(often in compounds) a small hard fruit with a very hard shell that grows on some trees坚果 - to crack a nut (= open it)
破开坚果 - a cashew nut
腰果 - a hazelnut
榛子 - nuts and raisins
果仁和葡萄干 - chopped nuts
切碎的坚果 - She is allergic to nuts.
她对坚果过敏。 - She has a severe nut allergy.
她对坚果严重过敏。 - a nut roast/cutlet
烤坚果/炸肉排
Oxford Collocations Dictionaryadjective- cashew
- macadamia
- pistachio
- …
- crack
- shell
- allergy
- oil
- tree
- …
- to crack a nut (= open it)
- a small piece of metal with a hole through the centre that is screwed onto a bolt to hold pieces of wood, parts of machines, etc. together
enlarge image螺母；螺帽 - to tighten a nut
拧紧螺母 - a wheel nut
车轮螺母 - a jar full of nuts and bolts
装满螺母和螺栓的坛子
Oxford Collocations Dictionaryverb + nut- put on
- screw on
- tighten
- …
- nuts and bolts
- to tighten a nut
- (British English, slang) a person’s head or brain
人的头（或大脑） - (British English also nutter)(informal, offensive) an offensive word for a person who you think is strange or crazy
对你认为奇怪或疯狂的人的冒犯性词语 - (informal) (in compounds) a person who is extremely interested in a particular subject, activity, etc.
着迷的人；专注于某事的人；…迷 - a fitness/tennis/computer nut
健身迷；网球迷；电脑迷
- a fitness/tennis/computer nut
- nuts[plural] (slang) a man’s testicles
睾丸
Word OriginOld English hnutu, of Germanic origin; related to Dutch noot and German Nuss.
Idioms
do your nut
- (British English, informal) to become very angry
大发脾气；大怒 - She’ll do her nut when she finds out!
当她发现时，她会发疯的！
- She’ll do her nut when she finds out!
a hard/tough nut
- (informal) a person who is difficult to deal with or to influence
难对付的人；难说服的人
a hard/tough nut (to crack)
- a difficult problem or situation to deal with
棘手的问题；不好对付的情形
the nuts and bolts (of something)
- (informal) the basic practical details of a subject or an activity
基本要点 - The documentary focuses on the real nuts and bolts of the film-making process.
这个纪录片关注的是电影拍摄过程中的具体细节。
- The documentary focuses on the real nuts and bolts of the film-making process.
off your nut
- (British English, informal) crazy
发疯；疯狂
use a sledgehammer to crack a nut
- to use more force than is necessary
抡着大锤砸核桃；杀鸡用牛刀