nut

名词 nut:

1. usually large hard-shelled seed
2. Egyptian goddess of the sky
3. a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
4. half the width of an em
   同义词：en
5. a whimsically eccentric person
   同义词：crackpot, crank, nut case, nutcase, fruitcake, screwball
6. someone who is so ardently devoted to something that it resembles an addiction
   同义词：addict, freak, junkie, junky
7. one of the two male reproductive glands that produce spermatozoa and secrete androgens
   同义词：testis, testicle, orchis, ball, ballock, bollock, egg

动词 nut:

1. gather nuts

1. She's a tough nut to crack; I don't think she'll give us permission.
   她这个人不好说话，我想她不会答应我们的。
2. Cashew nuts and walnuts are both nuts.
   腰果和核桃都是坚果。
3. He can't play football for nuts!
   他对踢足球一点儿不摸门儿。
4. I am a Clark Gable nut: I have seen all his films.
   我是克拉克·盖博的影迷，我看过他演的所有影片。

nut

n.（名词）

An indehiscent, hard-shelled, one-loculated, one-seeded fruit, such as an acorn or a hazelnut.
坚果：一种不开裂，硬壳，单隔室，单种子的果实，如橡树果实或榛子
A seed borne within a fruit having a hard shell, as in the peanut, almond, or walnut.
坚果种子：生长在有硬壳的果实之内的种子，如花生、杏或核桃
The kernel of any of these.
坚果仁：这些坚果的仁
Slang
【俚语】
A crazy or eccentric person.
疯子，怪人：疯狂或古怪的人
An enthusiast; a buff:
狂热者：狂热的人；入迷的人：
例句：
a movie nut.
电影迷

Informal A difficult endeavor or problem:
【非正式用语】 难事，难题：
例句：
Painting the closet was a tough nut to crack.
给壁橱刷漆不是件容易事

Slang The human head.
【俚语】 脑袋，头
Music
【音乐】
A ridge of wood at the top of the fingerboard or neck of a stringed instrument, over which the strings pass.
琴弓：指板顶部或弦乐器琴劲处木质的凸起部分，琴弦绕在上面
A device at the lower end of the bow for a stringed instrument, used for tightening the hairs.
松紧旋纽：琴弓尾端的装置，用于松紧金属丝
A small block of metal or wood with a central, threaded hole that is designed to fit around and secure a bolt or screw.
螺母，螺帽：中部有螺纹用于与螺栓或螺钉相配合的小块金属或木头
Slang
【俚语】
The cost of launching a business venture.
本钱：开展生意所需的费用
The operating expenses of a theater, theatrical production, or similar enterprise:
经费：剧院、戏剧制作和相似事业的运作费用：
例句：
.The[theater] has simply failed to attract enough paying customers per week to meet its nut. (Variety)
.［剧院］ 没能每周吸引足够的顾客以解决经费问题. (种类)

nuts Vulgar Slang The testicles.
nuts 【粗俗用语】 【俚语】 一对睾丸
v.intr.（不及物动词）
nut.ted,nut.ting,nuts
To gather or hunt for nuts.
采干果，拾坚果

来源：
Middle English nute
中古英语 nute
from Old English hnutu
源自 古英语 hnutu

【引伸】
nut.ter
n.（名词）