1
- a fruit consisting of a hard or tough shell around an edible kernel坚果。
1.1
- the hard kernel of such a fruit果仁。
1.2
- informal a person's head〈非正式〉人头, 脑袋。
1.3
- （一般作nuts）a small lump or knob of something, especially coal（尤指煤的）块, 团。
1.4
- （一般作nuts）compressed animal feed in the form of small cylindrical pellets（压缩成圆柱形小丸的动物）饲料。
1.5
nuts
vulgar slang a man's testicles〈粗俚〉睾丸。
2
- a small flat piece of metal or other material, typically square or hexagonal, with a threaded hole through it for screwing on to a bolt as a fastener（正方形或六角形的）螺母, 螺帽。
2.1
- the part at the lower end of the bow of a violin or similar instrument, with a screw for adjusting the tension of the hair（小提琴或类似乐器琴弓末端的）松紧螺丝。
3
- informal a crazy or eccentric person〈非正式〉疯子; 怪人。
3.1
- with adj. or noun modifier a person who is excessively interested in or enthusiastic about a specified thing〈非正式〉狂热爱好者：
a football nut
足球狂; 足球迷。
4
- the fixed ridge on the neck of a stringed instrument over which the strings pass（弦乐器上的）琴马。
(nutted, nutting)
1
- with obj. informal butt (someone) with one's head〈非正式〉用头撞。
2
- no obj. [usu. as noun nutting] archaic gather nuts〈古〉采集坚果。
短语
do one's nut
- Brit. informal be extremely angry or agitated〈英, 非正式〉大发雷霆。
nuts and bolts
- informal the basic practical details〈非正式〉基本情况; 具体细节：
the nuts and bolts of public policy.
公共利益准则的具体细节。
off one's nut
- informal out of one's mind; crazy.〈非正式〉发疯的, 发狂的。
a tough（或 hard） nut
- informal someone who is difficult to deal with; a formidable person〈非正式〉难以对付的人; 可怕的人。
a tough（或 hard） nut to crack
- informal a difficult problem or an opponent hard to beat〈非正式〉难以解决的问题; 棘手的事情; 劲敌。
use（或 take） a sledgehammer to crack a nut
- informal use disproportionately drastic measures to deal with a simple problem〈非正式〉杀鸡用牛刀; 小题大做。
派生词
nut-like
adjective词源
Old English hnutu， of Germanic origin; related to Dutch noot and German Nuss.