pick on例句

Bullies pick on younger children.
坏孩子专挑年纪更小的孩子欺负。

Why do you always pick on me to do the unpleasant jobs?
你为什么老是找我干这些令人不愉快的工作?

I know someone has to fetch some more logs, but why pick on me?
我知道得有人再去捡些木柴, 但为什么挑上了我?