不声不响 bù shēng bù xiǎng

DEFINITIONS

  1. wordless and silent (idiom); without speaking
  2. taciturn

CHARACTERS

不 bù
HSK 1
no, not; un-; negative prefix
声 shēng
HSK 3
sound, voice, noise; tone; music
不 bù
HSK 1
no, not; un-; negative prefix
响 xiǎng
HSK 3
make sound, make noise; sound