隱瞞

隐瞒
yǐnmán
  1. to conceal
  2. to hide (a taboo subject)
  3. to cover up the truth

CEDICT

Entry Composition

1 隱 yǐn (bound form) secret; hidden; concealed; crypto-
2 瞞 mán
  1. to conceal from
  2. to keep (sb) in the dark