You shouldn't tell on other guys.

你不应该告发别人。

The strain was beginning to tell on the rescue team.

过度的疲劳开始让救援队吃不消了。

It wasn't long before the strain began to tell on our relationship.

很快，这种极度的紧张就开始对我们的关系产生严重影响。

Girls' faces always tell on them.

女孩子的表情总能说明问题。

Look out tha' doesn't tell on us.

小心，不要把我们的秘密说出去哦。