nail
[NOUN, VERB]
nails
1. [C 可数名词] 钉子
A nail is a thin piece of metal with one pointed end and one flat end. You hit the flat end with a hammer in order to push the nail into something such as a wall.
双语例句
例：A mirror hung on a nail above the sink.
一面镜子挂在洗脸池上方的一颗钉子上。
2. [C 可数名词] 指甲 , 趾甲
Your nails are the thin hard parts that grow at the ends of your fingers and toes.
双语例句
例：Keep your nails short and your hands clean.
指甲要短，保持双手清洁。
NOUN. 名词
nail down
1. [PHRASAL 短语] 弄清
If you nail down something unknown or uncertain, you find out exactly what it is.
近义词
pin down
双语例句
例：It would be useful if you could nail down the source of this tension.
如果你能弄清这种紧张情绪的根源，将会大有益处。
2. [PHRASAL 短语] 确定（协议）
If you nail down an agreement, you manage to reach a firm agreement with a definite result.
双语例句
例：The Secretary of State and his Russian counterpart met to try to nail down the elusive accord.
美国国务卿与俄罗斯外交部长会晤，试图确定这项表述模糊的协议。
PHRASAL VERB. 短语动词
hit the nail on the head
1. 正中要害
If you say that someone has hit the nail on the head, you think they are exactly right about something.
双语例句
例：'I think it would civilize people a bit more if they had decent conditions.'—'I think you've hit the nail on the head.'
“我认为如果人们有好的条件，就会更有教养一点。” “我想你说到点子上了。”
PHRASE. 习语
nails , nailing , nailed
1. [T 及物动词] （用钉子）钉住
If you nail something somewhere, you fasten it there using one or more nails.
双语例句
例：Frank put the first plank down and nailed it in place.
弗兰克放下第一块木板，把它钉在合适的地方。
例：They nail shut the front door.
他们将前门钉死。
2. [T 及物动词] 逮住并证明…犯法
To nail someone means to catch them and prove that they have been breaking the law.
双语例句
例：The prosecution still managed to nail him for robberies at the homes of leading industrialists.
原告律师仍设法使其入室抢劫知名实业家的罪名成立。
VERB. 动词
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