fall away
(a) desert; leave 遗弃; 离开
His supporters fell away as his popularity declined. 在他声望下降时许多支持他的人都疏远了他.
(b) disappear; vanish 消失
In a crisis, old prejudices fall away and everyone works together. 在危急关头, 大家就能捐弃前嫌, 同心协力.
When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill.