1.响起The alarm went off.警铃骤然响起.2.变质This milk has gone off.牛奶变坏了.3.入睡Hasn't the baby gone off yet?婴孩还没入睡吗?4.进行The plan went off well.计划进行得很顺利.5.爆炸,发射；动身,离开；去...