密而不宣 mì ér bù xuān

DEFINITIONS

  1. confidential
  2. secret
  3. hush-hush

CHARACTERS

密 mì
HSK 4
dense, thick, close; intimate
而 ér
HSK 3
and; and then; and yet; but
不 bù
HSK 1
no, not; un-; negative prefix
宣 xuān
HSK 5
declare, announce, proclaim