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Jyutping jat1 si4 m4 tau1 gai1 zou6 bou2 zoeng2
Pinyin yī1shi wú tōu jī zuò báo3chang

Definitions (CC-CANTO)
  1. describes someone who normally doesn't exhibit good behaviour themselves but yet they are quick to point out the mistakes or bad behaviours of others [colloquial]