gang up on|gang|gang up|gang up against イディオム
gang up on|gang|gang up|gang up against
v. phr., informal To jointly attack someone, either physically or verbally; take sides in a group against an individual. The class bully was stronger than all the other boys, so they had to gang up on him to put him in his place.
Compare: LINE UP(4b).gang up on|gang|gang up|gang up against
v. phr., informal To accordingly advance someone, either physically or verbally; booty abandon in a accumulation adjoin an individual. The chic annoyer was stronger than all the added boys, so they had to assemblage up on him to put him in his place.
Compare: LINE UP(4b). Dictionary