悄無聲息 qiǎo wú shēng xī

DEFINITIONS

  1. quietly
  2. noiselessly

CHARACTERS

悄 qiǎo
HSK 5
silent, quiet, still; anxious
無 wú negative, no, not; lack, have no
聲 shēng sound, voice, noise; tone; music
息 xī
HSK 2
rest, put stop to, end, cease