打保票 [－－－]

Jyutping daa2 bou2 piu3
Pinyin dǎ bǎo piào

Definitions (CC-CEDICT)
  1. to vouch for
  2. to guarantee
Definitions (Wiktionary)
  1. verb, verb-object
    to vouch for; to guarantee
    (syn.) 打包票