n.济急的人；水难救生员；救命者
upland lowlife───高地低地生物
boosted lifestyle───提升生活方式
love me for life───爱我一辈子
it is my life───她是我生命的全部（歌曲名）
associational life───社团生活
flaunting your life───炫耀你的生活
city life───n.城市生活
run for life───仓皇逃命；为了生活而奔跑
love and to life───爱与生命
the high life───上流社会
The new drug is a potential lifesaver.───这种新药有可能成为一种救命药。
David wanted to be a lifesaver but he couldn't swim!───戴维想当救生员，可他不会游泳！
The cervical smear test is a lifesaver.───宫颈涂片检查是健康救星。
Trish: If it was a lifesaver then don't you think we deserve a little more?───假如你的工作得救了，你不觉得我们应该拿多一点么？你管这叫诚意？
You've been a real lifesaver. Thanks. And don't hesitate to ask me for a favor if you ever need it.───你真是我的救星。谢谢。有用得着我的时候请尽管开口。
And no parents objected, because we were trying to save lives, and this was a lifesaver.───让这些孩子来完成这些工作。没有家长反对，因为这是在拯救生命，是捍卫生命的行动。
Explain that living with her has been a financial lifesaver and you are enormously grateful.───说明和她生活在一起你们节约开支了，对她表示感谢。
You've been a lifesaver. Thank you for your time.───你是我的救命恩人。谢谢你宝贵的时间。
Therefore, if you frequently use your handheld for more than a couple of hours a day, the Power To Go can be a lifesaver.───所以，如果每天使用你的掌上电脑非常频繁，比方说要用好几个小时，这个充电背夹会是个救星；
A microwave oven can be a real lifesaver when you're pressed for time.