說到做到 [说－－－]

Jyutping syut3 dou3 zou6 dou3
Pinyin shuō dào zuò dào

Definitions (CC-CEDICT)
  1. to be as good as one's word (idiom)
  2. to keep one's promise
Definitions (Wiktionary)
  1. verb
    to be as good as one's word; to keep one's promise