H-20:have set eyes on 见到过
A:Do you know this man?
A:你认识这个人吗?
B:No, I've never set eyes on him.
B:不,我从没见过他。
A:But his face is so familiar to me. Right now I just can't remember who he is.
A:但他的面孔我那么熟悉,可我就是想不起来他是谁。
B:Forget about him. Let's go.
B:别去想他了,咱们走吧。