mán tiān guò hǎi
瞒天过海
词语解释
瞒天过海 [mán tiān guò hǎi]
1 比喻采取欺骗手段，暗中进行活动。
英 cross the sea under camouflage; deceive as one who cheats boldly and cleverly; very clear and daring in deceiving others;
引证解释
1 比喻用伪装来哄骗对方，背地里偷偷地行动。