黃鐘譭棄瓦釜雷鳴 [黄钟毁弃－－－鸣]

Jyutping wong4 zung1 wai2 hei3 ngaa5 fu2 leoi4 ming4
Pinyin huáng zhōng huǐ qì wǎ fǔ léi míng

Definitions (CC-CEDICT)
  1. lit. earthern pots make more noise than classical bells
  2. good men are discarded in favor of bombastic ones (idiom)