锐声

銳聲
ruìshēng
  1. (phonetics) the sắc ("sharp") tone of Vietnamese
  2. the sắc ("sharp") tone of Vietnamese

Wiktionary

Entry Composition

1 锐 ruì acute
2 声 shēng
  1. sound
  2. voice
  3. tone
  4. noise
  5. reputation
  6. classifier for sounds