coffin /ˈkɒfɪn/ TEM4

• 1. 

  N-COUNT A coffin is a box in which a dead body is buried or cremated. 棺材

• 2. 

  PHRASE If you say that one thing is a nail in the coffin of another thing, you mean that it will help bring about its end or failure. 断送

  例：

  A fine would be the final nail in the coffin of the airline.

  一笔罚款将最终断送该航线。