lifesaver

释义

life + saver = 拯救生命的人。既用于字面（救援者），也非常常用于随意夸张的表达：you're a lifesaver = 多亏你及时相助。

常用搭配

• 1.a real lifesaver真是救星
• 2.you're a lifesaver你帮了大忙

例句

• 1.

  Thanks for the ride — you're a real lifesaver!

  谢谢你载我一程——你真是帮了大忙！

• 2.

  The instructions were a lifesaver when I got lost.

  我迷路时，那份说明帮了我大忙。