台上一分鐘，台下十年功 [－－－－钟－－－－－－]

Jyutping toi4 soeng6 jat1 fan1 zung1 toi4 haa6 sap6 nin4 gung1
Pinyin tái shàng yì fēn zhōng ， tái xià shí nián gōng

Definitions (粵典–words.hk)
  1. 語句
    表演者​需要​付出​好大​努力​去​準備​，​先至​發揮​出應​有​嘅​水​準
    practice makes perfect performance; "ten years of practice for three/one minute on the stage"
  2. 參看
    台上三分鐘，台下十年功