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Jyutping bat1 si6 mei6 ji4
Pinyin bù shì wèir

Definitions (Wiktionary)
  1. adj, colloquial
    not normal; off; odd; strange
  2. adj, colloquial
    upset; dismayed
  3. adj, colloquial
    not quite the right taste

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Jyutping bat1 si6 mei6 ji4
Pinyin bù shì wèi r5

Definitions (CC-CEDICT)
  1. not the right flavor
  2. not quite right
  3. a bit off
  4. fishy
  5. queer
  6. amiss
  7. feel bad
  8. be upset