便 [---]

Jyutping jat1 si3 bin6 zi1 lung4 jyu5 fung6
Pinyin yī shì biàn zhī lóng yǔ fèng

Definitions (粵典–words.hk)
  1. 語句
    測試​、​驗證過​就​知​究竟​實際​係​點
    the truth will be revealed upon a test; "the proof of the pudding is in the eating"; literally: as soon as you try, you will see whether it is a dragon or a phoenix
Examples (粵典–words.hk)
  1. Cantonese
    一试便知龙与凤
    一試便知龍與鳳
    jat1 si3 bin6 zi1 lung4 jyu5 fung6
    • the truth will be revealed upon a test