(of a plan) go wrong
（计划）出差错
even the best laid plans &B{gang aft agley}.
哪怕最周密的计划也会出差错；人算不如天算。
To join together in opposition or attack
联合对抗，联合攻击
The older children were always ganging up on the little ones.
年纪较大的孩子总会联合起来欺负小孩子
To act together as a group
联合起来一致行动
various agencies ganging up to combat the use of illicit drugs.
不同的机构联合起来对抗非法药品的使用