- used to say that the result of a situation is uncertain and that there is a possibility that something bad or unpleasant will happen不确定；无把握；很难说；吉凶未卜
- She's fine now, but it was touch-and-go for a while (= there was a possibility that she might die).她现在好了，可是她曾一度病危。🔊🔊
- It was touch-and-go whether they’d allow him into the country or not.他们是否允许他进入该国，一触即发。