It's no good waiting for something to turn up.

问题描述:

It's no good waiting for something to turn up.

守株待兔是没用的
1.It is no good/use doing sth 是个固定句型,习惯上只用v-ing 形式做主语
2.wait for sb to do sth 等着某人干什么
3.turn up 现身,露面