gang up
US /ɡæŋ ʌp/
UK /ɡæŋ ʌp/

1.
berpakat, mengeroyok
to form a group to attack or oppose someone
:
•
The older kids used to gang up on him in the playground.
Budak-budak yang lebih tua dulu sering berpakat untuk menyerangnya di taman permainan.
•
Don't let them gang up on you; stand your ground.
Jangan biarkan mereka berpakat menyerang awak; pertahankan diri.