He suspects there's a conspiracy to cover up the crime.他怀疑有人密谋掩盖犯罪事实。His behaviour is an attempt to cover up his insecurities.他的行为是想掩饰自己的不自信。The police investigation was a joke. A total cover-up.警方的调查简直荒唐可笑，完全是在掩盖真相...

cover up的音标：cover up的英式发音音标为：['kʌvə ʌp]cover up的美式发音音标为：['kʌvɚ ʌp]...

盖起来， 裹住，掩盖， 掩饰...