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Jyutping baak3 hau2 mok6 bin6
Pinyin bǎi kǒu mò biàn

Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    unable to give a convincing explanation in self-defense; difficult to clarify; beyond justification (when wronged or treated unjustly)
    (syn.) 百喙莫辩, 百喙莫辯
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)