好酒沉甕底 [－－－瓮－]

Jyutping hou2 zau2 cam4 ung3 dai2
Pinyin hǎo jiǔ chén wèng dǐ

Definitions (CC-CEDICT)
  1. lit. the best wine is at the bottom of the jug (idiom)
  2. fig. the best is saved for last
Definitions (Wiktionary)
  1. proverb
    The best is saved for last; It ain't over until the fat lady sings.