打底子 [－－－]

Jyutping daa2 dai2 zi2
Pinyin dǎ dǐ zi

Definitions (Wiktionary)
  1. verb
    to lay a foundation
  2. verb
    to sketch (a plan, picture, etc.)

打底子 [－－－]

Jyutping
Pinyin dǎ dǐ zi

Definitions (CC-CEDICT)
  1. to sketch
  2. to draft
  3. to lay the foundation