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Jyutping daa2 bat1 gwo3
Pinyin dǎ bù guò

Definitions (Wiktionary)
  1. verb
    to be unable to defeat, or beat in a fight; to be no match for someone

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Jyutping daa2 bat1 gwo3
Pinyin dǎ bu guò

Definitions (CC-CEDICT)
  1. unable to defeat
  2. to be no match for sb