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Jyutping doi6 gaa3
Pinyin dài jià

Definitions (Wiktionary)
  1. verb, intransitive
    to drive on behalf of another person
  2. noun, countable
    person who makes money by driving others' cars for a fee (Classifier: 名 m; 個/个 m)

代駕 [-驾]

Jyutping
Pinyin dài jià

Definitions (CC-CEDICT)
  1. to drive a vehicle for its owner (often as a paid service for sb who has consumed alcohol) (abbr. for 代理駕駛|代理驾驶[dai4 li3 jia4 shi3])
  2. substitute driver (abbr. for 代駕司機|代驾司机[dai4 jia4 si1 ji1])
Examples (Wiktionary)
  1. Mandarin
    指挥民警变“代驾”?背后原因很暖心!
    指揮民警變“代駕”?背後原因很暖心!
    zhǐ huī mín jǐng biàn “ dài jià ” ? bèi hòu yuán yīn hěn nuǎn xīn !
    • Police commanders become designated drivers? The reason behind this is very touching!