1·The twins are so alike I can't tell which is which.
这一对双胞胎长得一模一样，我分不清谁是谁。
—— 《牛津词典》
2·The kittens look exactly alike—how can you tell which is which ?
这些小猫看上去一模一样，你怎么能分辨出哪只是哪只呢？
—— 《牛津词典》
3·They all look so alike to me that I'm never sure which is which.
它们在我看来简直一模一样，我永远分不清哪个是哪个。
—— 《柯林斯英汉双解大词典》
4·Tom, I reckon they're all alike.
汤姆，我觉得她们都一样。
5·They are exactly alike except that they have opposite electrical charges.
除了电荷相反外，它们完全一样。