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Jyutping cung4 zeng2 gau3 jan4
Pinyin cóng jǐng jiù rén

Definitions (CC-CEDICT)
  1. to jump into a well to rescue sb else (idiom); fig. to help others at the risk to oneself
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)