-
(often in compounds 常構成複合詞 a small hard fruit with a very hard shell that grows on some trees 堅果 
to crack a nut (= open it) 破開堅果 a cashew nut 腰果 a hazelnut 榛子 nuts and raisins 果仁和葡萄幹 chopped nuts 切碎的堅果 She is allergic to nuts. 她對堅果過敏。 She has a severe nut allergy. 她對堅果嚴重過敏。 a nut roast/cutlet 堅果烤肉/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 擰緊螺母 a wheel nut 車輪螺母 a jar full of nuts and bolts 裝滿螺母和螺栓的壇子
Oxford Collocations Dictionaryverb + nut- put on
- screw on
- tighten
- …
- nuts and bolts
- (British English, slang)
a person’s head or brain 人的頭（或大腦） - (British English also nutter)(informal)
a strange or crazy person 怪人；瘋子 - (informal)
(in compounds 構成複合詞 a person who is extremely interested in a particular subject, activity, etc. 着迷的人；專注於某事的人；…迷 a fitness/tennis/computer nut 健身/網球/電腦迷
- 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；氣炸 She’ll do her nut when she finds out! 她發現後會發瘋的！
a hard/tough nut
- (informal)
a person who is difficult to deal with or to influence 難對付的人；難說服的人
a hard/tough nut (to crack)
a difficult problem or situation to deal with 棘手的問題；不好對付的情形
the nuts and bolts (of something)
- (informal)
the basic practical details of a subject or an activity 基本要點 The documentary focuses on the real nuts and bolts of the film-making process. 這個紀錄片關注的是電影拍攝過程中的具體細節。
off your nut
- (British English, informal)
crazy 瘋狂
use a sledgehammer to crack a nut
to use more force than is necessary 掄着大錘砸核桃；殺雞用牛刀