無聲無息 [无声无－]

Jyutping mou4 sing1 mou4 sik1
Pinyin wú shēng wú xí

Definitions (Wiktionary)
  1. phrase, idiomatic
    obscure; uninfluential
  2. phrase, idiomatic
    soundless; silent

無聲無息 [无声无－]

Jyutping mou4 sing1 mou4 sik1
Pinyin wú shēng wú xī

Definitions (CC-CEDICT)
  1. wordless and uncommunicative (idiom); without speaking
  2. taciturn
  3. not providing any news
Definitions (粵典–words.hk)
  1. 形容詞
    好安靜​，​唔​引起​人​注意​嘅​情​況​下
    without any sound; silently
    • 個賊仔無聲無息噉潛入咗我間屋。
      个贼仔无声无息噉潜入咗我间屋。
      go3 caak6 zai2 mou4 sing1 mou4 sik1 gam2 cim4 jap6 zo2 ngo5 gaan1 nguk1.
      The thief broke into my house silently.
    • 佢無聲無息噉就消失咗。
      佢无声无息噉就消失咗。
      keoi5 mou4 sing1 mou4 sik1 gam2 zau6 siu1 sat1 zo2.
      He disappeared without a trace.
Definitions (Wiktionary)
  1. phrase, idiomatic
    obscure; uninfluential
  2. phrase, idiomatic
    soundless; silent
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (粵典–words.hk)
  1. Cantonese
    个贼仔无声无息噉潜入咗我间屋。
    個賊仔無聲無息噉潛入咗我間屋。
    go3 caak6 zai2 mou4 sing1 mou4 sik1 gam2 cim4 jap6 zo2 ngo5 gaan1 nguk1.
    • The thief broke into my house silently.
  2. Cantonese
    佢无声无息噉就消失咗。
    佢無聲無息噉就消失咗。
    keoi5 mou4 sing1 mou4 sik1 gam2 zau6 siu1 sat1 zo2.
    • He disappeared without a trace.