1.他是谁的英语是:Who is he?Who的音标:英 [huː]、美 [huː]。
2.这个男子让人感到有些熟悉,但是希尔斯滕一时认不出他是谁。Something about the man was familiar, although Hillsden could not immediately place him。
3.警察知道他是谁后,便向他要了签名,然后只给了他个警告就放他走了。When police realised who he was, they asked for an autograph and let him off with a warning。
4.我很想知道他是谁,从哪里来,来干什么。I wonder who he is, where he came from and why he came。