gang up
v. 聚集；联合起来
同义词
参考例子
1.You've all ganged up against me, it's not fair.
你们一帮人结伙反对我，这不公平。
2.The cats used to gang up and chase the dog around the house.
那只可怜的猫啊，最后只好跳到屋顶上去了。
3.It is right to make friends; it is wrong to gang up on outsiders.
广交朋友是好的，但如果结党组派陷害他人，就是「错误」的。
英文解释
v.
1.act as an organized group
网络释义
gang up
聚集; 串通; 共同攻击; 啸聚;
gang-up
攻击; 编组 机器编组; 编组 机器编组; 编组,机器编组;
gang up on
联合反对; 联合起来对待;
to gang up
朋比为奸;
gang up on somebody
结伙对付某人;