水磨功夫 [－－－－]

Jyutping seoi2 mo4 gung1 fu1
Pinyin shuǐ mó gōng fu

Definitions (粵典–words.hk)
  1. 名詞
    好花​時間​同心​機去​做​嘅​精​緻​嘢
    something delicate which takes much time and effort to produce