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Jyutping daa2 cin4 zaam6
Pinyin dǎ qián zhàn

Definitions (CC-CEDICT)
  1. to set out in advance to make arrangements (board, lodging etc)
  2. (military) to dispatch an advance party
Definitions (Wiktionary)
  1. verb
    to act as an advance party; to set out in advance to make arrangements