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a/an nut
He cracked a nut with his teeth.
他用牙齿咬开了一颗坚果。
坚果
nuts — plural of nut
先理解核心含义，再看它在真实句子里的用法。
坚果
a hard-shelled seed or dry fruit, usually edible, such as a walnut or almond
He cracked a nut with his teeth.
他用牙齿咬开了一颗坚果。
各种硬壳种子或来自不同植物科的硬质干果。
Any of various hard-shelled seeds or hard, dry fruits from various families of plants.
通常是大而硬壳的种子
usually large hard-shelled seed
一种硬件,通常为金属,多为六角形或方形,中间有内螺纹孔,用于拧在螺纹螺栓或其它螺纹杆上。
A piece of hardware, typically metal and typically hexagonal or square in shape, with a hole through it having internal screw threads, intended to be screwed onto a threaded bolt or other threaded shaft.
埃及的天空女神
Egyptian goddess of the sky
I like to eat nuts as a healthy snack.
我喜欢吃坚果作为健康零食。
She cracked the nut with a hammer.
她用锤子敲开了坚果。
Some people are allergic to tree nuts.
有些人对树生坚果过敏。
He cracked a nut with his teeth.
他用牙齿咬开了一颗坚果。
She always keeps a bowl of nuts on the table.
她总是在桌上放一碗坚果。
比喻用法，指某事物的关键或核心部分。
The nut of the issue is lack of funding.
问题的核心是缺乏资金。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
敲开坚果
He used a nutcracker to crack a nut.
他用坚果钳敲开了一颗坚果。
坚果酱
She spread some nut butter on her toast.
她在吐司上抹了一些坚果酱。
难对付的人
The new boss is a tough nut to crack.
新老板是个难对付的人。
锁紧螺帽
Make sure to tighten the lock nut properly.
确保正确拧紧锁紧螺帽。
棘手的问题；难以对付的人
This math problem is a hard nut to crack.
这道数学题很难解决。
基本要点；具体细节
We need to learn the nuts and bolts of the computer system.
我们需要学习电脑系统的基本要点。
把某人逼疯
The barking dog next door is driving me nuts.
隔壁的狗叫声快把我逼疯了。
Use nuts naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
发音像'那特'，想象坚果里藏着一个螺帽，都是硬核。
语域：neutral 常见场景：食品标签、食谱、日常饮食 坚果（nut）是日常饮食中常见的食物，适用于各种非正式和正式场合，属于中性词。
注意可数名词，有复数形式 nuts。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.