閉口不談 bì kǒu bù tán

DEFINITIONS

  1. to refuse to say anything about (idiom)
  2. to remain tight-lipped
  3. to avoid mentioning

CHARACTERS

閉 bì shut, close; obstruct, block up
口 kǒu mouth; open end; entrance, gate
不 bù no, not; un-; negative prefix
談 tán talk; conversation; surname