隐瞒

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

CEDICT

Entry Composition

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