轻声

輕聲
qīngshēng
  1. in a quiet voice; softly
  2. (linguistics) neutral tone

CEDICT

linguistics

Entry Composition

1 轻 qīng
  1. light
  2. easy
  3. gentle
  4. soft
  5. reckless
  6. unimportant
  7. frivolous
  8. small in number
  9. unstressed
  10. neutral
  11. to disparage
2 声 shēng
  1. sound
  2. voice
  3. tone
  4. noise
  5. reputation
  6. classifier for sounds