the two sisters look very alike.They are difficult to ___.

问题描述:

the two sisters look very alike.They are difficult to ___.
A tell from B tell apart
请问tell from和tell apart 区分在哪里.

tell apart 后面不能直接接人或者物
可以用 tell sb apart from sb
举个例子
1' He can tell the Tom from the crowd(他能从人群中分辨出Tom) 2' It's hard to tell the twin sister apart (把双胞胎姐妹区分开是困难地)