nail

1.指甲；趾甲thin hard layer covering the outer tip of the fingers or toes

2.钉；钉子a small thin pointed piece of metal with a flat head, used for hanging things on a wall or for joining pieces of wood together

a nail in sbs/sths coffin

导致失败的事物；导致某事终结之物something that makes the end or failure of an organization, sb's plans, etc. more likely to happen

on the nail

立刻；马上；毫不拖延without delay

1.~ sth (+ adv./prep./adj.)（用钉子）钉牢，固定to fasten sth to sth with a nail or nails

2.(informal)~ sb抓获并证明有罪；抓住to catch sb and prove they are guilty of a crime or of doing sth bad

3.(informal)~ sth证明…不属实；揭露；揭发to prove that sth is not true

4.(informal)~ sth（尤指体育运动中）获得，赢得，击中to achieve sth or do sth right, especially in sport

nail your colours to the mast

公开宣称；公开表态to say publicly and firmly what you believe or who you support

1.指甲,爪;喙甲

2.钉

3.纳尔

1.敲钉,钉住 (on to)

2.〈口〉捉住,抓住;〈美俚〉逮捕;〈俚〉打

3.〈俚〉揭发,看穿,发觉

4.吸引住(注意等),不放松(人家的声明等),使不能逃避

5.〈美俚〉偷

6.【棒】使(跑垒者)被开出局

1.a thin pointed piece of metal that you use to attach one thing to another by hitting it with a hammer

2.the smooth hard part that grows over the ends of your fingers and toes

1.to attach one thing to another with a nail or nails

2.to prove that someone has done something wrong or illegal

3.to do something in a perfect way, especially in sport