tell them apart把他们区分开
tell-apart区别
tell something apart分辨
Tell sth apart分开
i cant tell them apart我分不清
tell the twins apart识别双胞胎
tell A and B apart满意
PHRASAL VERB（动词词组） If you can tell people or things apart, you are able to recognize the differences between them and can therefore identify each of them. 区分
It's easy to tell my pills apart because they're all different colours.
我的药片很容易区分，因为它们的颜色不一样。