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Jyutping bat1 sik1 si4 mou6
Pinyin bù shì shì wù

Definitions (Wiktionary)
  1. phrase, idiomatic
    to show no understanding of the times; to not be able to adapt to current circumstances
  2. phrase, idiomatic
    to lack judgement

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Jyutping bat1 sik1 si4 mou6
Pinyin bù shí shì wù

Definitions (Wiktionary)
  1. phrase, idiomatic
    to show no understanding of the times; to not be able to adapt to current circumstances
  2. phrase, idiomatic
    to lack judgement

[-]

Jyutping bat1 sik1 si4 mou6
Pinyin bù shí shí wù

Definitions (CC-CEDICT)
  1. to show no understanding of the times (idiom); cannot adapt to current circumstances
  2. not amenable to reason