touch-and-go

adj.

1. 不确定；无把握；很难说；吉凶未卜
   used to say that the result of a situation is uncertain and that there is a possibility that sth bad or unpleasant will happen
   1. 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。

1. For a while last night, it seemed to be touch-and-go.
   昨晚那段时间，可以说是情势危急。
2. It had been touch-and-go for him in the hospital, but he had eventually recovered.
   他在医院病情曾很危急，但最终康复了。
3. She's fine now, but it was touch-and-go for a while.
   她现在好了，可是她曾一度病危。
4. For a brief period in the late 1970s and early 1980s, it was touch-and-go.
   从20世纪70年代末到80年代初，时间虽短，却值危急存亡之秋。
5. It was touch-and-go whether he would get there in time.
   他是否能及时到达那里还很难说。
6. It was touch-and-go whether we would get to the airport in time.
   我们是否能按时到机场还很难说。
7. Dangerous waters; a parlous journey on stormy seas; a perilous voyage across the Atlantic in a small boat; the precarious life of an undersea diver; dangerous surgery followed by a touch-and-go recovery.
   危险海域；在风大浪急的海面的危险旅程；用一艘小船穿越大西洋的航行是很危险的；一名海下潜水员的危险生活；危险的手术后是简略的恢复。
8. The doctor says that it is touch-and-go whether the patient will survive.
   医生说这个病人是否能救活尚不能确定。
9. It was touch-and-go whether we should catch the train.
   我们能否赶上火车还很难说。

adj

1. fraught with danger
   1. dangerous waters
   2. a parlous journey on stormy seas
   3. a perilous voyage across the Atlantic in a small boat
   4. the precarious life of an undersea diver
   5. dangerous surgery followed by a touch-and-go recovery

   Synonym:    parlousperilousprecarious