who is who

• 谁是谁；名人录

who is who的用法和样例：

例句

1. It is hard to tell who is who in the parade.
   在游行队伍中很难分清谁是谁。

词汇搭配

• The woman who hesitates is lost. 犹豫不决的女子必然吃...
• hit a man who is down 落井下石