Correct

瞒天过海

/ mán tiān guò hǎi /
Strokes

Definition

to cross the sea by a trick (idiom)/to achieve one's aim by underhanded means

Example

Definition

cross the sea under camouflage/by a trick—engage in underhanded activity; practise deception

1
Wèile
为了
huò
获取
fèn
机密
qíngbào
情报
  
,
ge
那个
jiàndié
间谍
mántiānguòhǎi
瞒天过海
  

The spy practised deception in order to gain access to the classified information.

Related

瞒天过海