- (of an outcome, especially one that is desired) possible but very uncertain（尤指期待的结果）不确定的, 无把握的：
it was touch-and-go whether she could reach the pram before it overturned.
还不能肯定她能否在婴儿车翻倒之前赶到。
(pl. touch-and-goes)
- a manoeuvre in which an aircraft touches the ground as in landing and immediately takes off again（飞机接地后）连续起飞。