which is which的用法和樣例：
例句
- Can you tell which is which?
你能看得出哪是哪嗎？ - These kittens look exactly alike how can you tell which is which?
這些小貓看上去一模一樣--你怎么能分出哪個是哪個? - Let's tag the disk now or else we'll forget which is which.
我們先給這些磁盤加上標簽吧，不然我們就記不清哪個是哪個了。
詞匯搭配
- 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 鋸斷自己所站[坐]的...
- That's good wisdom which is wisdom in the end. 最后靈驗的話才是至理...
- saw off the bough on which one is standing 鋸斷自己所站[坐]的...
