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Jyutping jau4 dak1 keoi5
Pinyin yóu de qú

Definitions (Wiktionary)
  1. phrase, Cantonese
    let him be; leave him be
Definitions (Kaifangcidian)
  1. 算了吧
  2. 隨他去 – 随他去
  3. 隨他便吧 – 随他便吧
Examples (粵典–words.hk)
  1. Cantonese
    哦!佢唔精神咓?由得佢啰。
    哦!佢唔精神咓?由得佢囉。
    o5, keoi5 m4 zing1 san4 aa5? jau2 dak1 keoi5 lo1.
    • Oh, he doesn't feel well, does he? Leave him alone then.
  2. Cantonese
    佢要输钱,咪由得佢啰。
    佢要輸錢,咪由得佢囉。
    keoi5 jiu3 syu1 cin2, mai6 jau2 dak1 keoi5 lo1.
    • If he is determined to lose money, just let him.
  3. Cantonese
    本书唔紧要嘅,唔见咗由得佢啦。
    本書唔緊要嘅,唔見咗由得佢啦。
    bun2 syu1 m4 gan2 jiu3 ge2, m4 gin3 zo2 jau2 dak1 keoi5 laa1.
    • That book isn't important. If you've lost it, just forget about it.
  4. Cantonese
    由得佢继续瞓啦。
    由得佢繼續瞓啦。
    jau2 dak1 keoi5 gai3 zuk6 fan3 laa1.
    • Just let him continue sleeping.
  5. Cantonese
    小美执意要辞职,屋企人只可以由得佢。
    小美執意要辭職,屋企人只可以由得佢。
    siu2 mei5 zap1 ji3 jiu3 ci4 zik1, uk1 kei2 jan4 zi2 ho2 ji5 jau2 dak1 keoi5.
    • Siu-mei is determined to resign from the company. Her family members can only let her do it.