which is which

• n. 哪个是哪个

which is which的用法和样例：

例句

1. Can you tell which is which?
   你能看得出哪是哪吗？
2. These kittens look exactly alike how can you tell which is which?
   这些小猫看上去一模一样--你怎么能分出哪个是哪个?
3. Let's tag the disk now or else we'll forget which is which.
   我们先给这些磁盘加上标签吧，不然我们就记不清哪个是哪个了。

词汇搭配

• know which side one's bread is buttered on 知道自己的利益所在...
• saw off the bough on which one is sitting 锯断自己所站[坐]的...
• That's good wisdom which is wisdom in the end. 最后灵验的话才是至理...
• saw off the bough on which one is standing 锯断自己所站[坐]的...