-
(often in compounds 常构成复合词 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 坚果烤肉/牛排
Oxford Collocations Dictionaryadjective- cashew
- macadamia
- pistachio
- …
- crack
- shell
- allergy
- oil
- tree
- …
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 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
- (British English, slang)
a person’s head or brain 人的头（或大脑） - (British English also nutter)(informal)
a strange or crazy person 怪人；疯子 - (informal)
(in compounds 构成复合词 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/网球/电脑迷
- 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 暴跳如雷；气炸 She’ll do her nut when she finds out! 她发现后会发疯的！
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。
off your nut
- (British English, informal)
crazy 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