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Jyutping saang1 jan4 m4 sang1 daam2
Pinyin shēng rén wú shēng dǎn

Definitions (Wiktionary)
  1. phrase, Cantonese, idiomatic
    cowardly; lacking courage

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Jyutping saang1 jan4 m4 saang1 daam2
Pinyin shēng rén wú shēng dǎn

Definitions (粵典–words.hk)
  1. 語句
    冇​膽​、​細膽
    to be intimidated; to be fearful; to be timid
    • 你咪生人唔生膽啦,少少聲就嚇到彈起。
      你咪生人唔生胆啦,少少声就吓到弹起。
      nei5 mai5 saang1 jan4 m4 saang1 daam2 laa1, siu2 siu2 seng1 zau6 haak3 dou3 daan6 hei2.
      Don't be so fearful, just a little sound you don't need to intimidated.
  2. 近義詞
    畏首畏尾、船頭驚鬼,船尾驚賊
Definitions (Kaifangcidian)
  1. 沒有膽量 – 没有胆量
  2. 膽小怕事 – 胆小怕事

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Jyutping saang1 jan4 m4 sang1 daam2
Pinyin shēng rén n2 shēng dǎn

Definitions (CC-CANTO)
  1. (slang) describes someone who is chicken-hearted; timid; fearful; gutless; spineless
Examples (粵典–words.hk)
  1. Cantonese
    你咪生人唔生胆啦,少少声就吓到弹起。
    你咪生人唔生膽啦,少少聲就嚇到彈起。
    nei5 mai5 saang1 jan4 m4 saang1 daam2 laa1, siu2 siu2 seng1 zau6 haak3 dou3 daan6 hei2.
    • Don't be so fearful, just a little sound you don't need to intimidated.