当turn out作“结果是,证明是”的意思是用法是什么

turn out 结果是,原来是
后接to be 不定式,宾语从句
He said he was a doctor; but later he turned out to be a cheat.
他自称是个医生,结果证明他是个骗子.
The day turned out (to be) a fine day.
那天倒是好天气.
It turned out that he was never there.
原来他根本没去过那儿.