pick on

pick on
역시나 숙어는 어렵습니다.
Don't pick on me.
날 괴롭히지 좀 마.
If someone picks on you, they repeatedly criticize you unfairly or treat you unkindly.
If someone picks on a particular person or thing, they choose them, for example for special attention or treatment.
왕따시킨다는 말과 어울리는 단어인 것 같습니다.