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Jyutping fu6 zyu1 dung1 lau4
Pinyin fù zhū dōng liú

Definitions (CC-CEDICT)
  1. wasted effort
Definitions (Wiktionary)
  1. phrase, figuratively, idiomatic
    to go in vain; to go down the drain; to be completely wasted
    (syn.) 尽付东流, 付之东流, 付诸流水, 付之東流, 盡付東流, 付之流水, 付諸流水
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)