cover up

柯林斯词典

1. PHRASAL VERB If you cover something or someone up, you put something over them in order to protect or hide them. 把…盖上
He fell asleep in the front room so I covered him up with a duvet. 他在前屋睡着了，所以我给他盖上了一床羽绒被。
2. PHRASAL VERB If you cover up something that you do not want people to know about, you hide the truth about it. 隐藏; 掩盖
He suspects there's a conspiracy to cover up the crime. 他怀疑有掩盖这桩罪行的阴谋。
They knew they had done something terribly wrong and lied to cover it up. 他们知道已犯下了大错，并撒谎来掩盖这一错误。
3. →see also cover-up