“命悬一线” 其实就是 “危在旦夕”,用英语可以如下说:
~on the verge of death or destruction
~at death's door
~be at the last gasp
~be in deadly danger
一般可以说I'm on a line now.表示自己进退两难的境地
[词典]
[电影]The Life of David Gale;
[例句]
听着,他所有的前途都命悬一线了。
Look, his whole future's on the line.