you're a lifesaver
中文释义
你真是救星！
You've helped me out tremendously in a tough situation.
常用搭配
- a total lifesaver十足救星
- a real lifesaver真正救星
- saved my skin帮了大忙
例句
- You're a lifesaver for lending me your charger!你借我充电器，真是救星！
- You're a lifesaver; that fix saved the launch.你真是救星，修复挽救了发布。