Bedeutung von “gang up against/on sb” — Learner’s Dictionary

gang up against/on sb

phrasal verb with gang us uk /ɡæŋ/ verb

to form a group to attack or criticize someone, usually unfairly:

Some older girls have been ganging up on her at school.

(Definition von “gang up against/on sb” aus dem Cambridge Learner's Dictionary © Cambridge University Press)