gang up on
中級 (B1) informal
When a group of people all act together against one person who is outnumbered.
"Three of her classmates kept ganging up on her during lunch breaks."
文脈の中で聞く
Why Hives Turn Against Their Queens
MinuteEarth · 2:14
The workers might gang up on the old
Why wasn't Teddy Roosevelt allowed to fight in World War One? (Short Animated Documentary)
History Matters · 7:14
of the league would gang up on them to