瞒天过海

瞞天過海
mántiānguòhǎi
  1. to cross the sea by a trick (idiom)
  2. to achieve one's aim by underhanded means

CEDICT

to achieve one's aim underhandedly

Wiktionary

比喻欺骗的手法很高明。

重編國語辭典

  1. 在最公开的场合，实现最隐密的目的
  2. 欺骗的手法很高明

維基詞典

Entry Composition

1 瞒 mán
  1. to conceal from
  2. to keep (sb) in the dark
2 天 tiān
  1. day
  2. sky
  3. heaven
3 过海 guòhǎi
  1. (dialectal) to go abroad; to go overseas
  2. to cross the sea
  3. to go abroad; to go overseas