正经八百
zhèng​jing​bā​bǎi

dead serious

zhèng​jing​bā​bǎi dead serious
  1. 正经 正經 zhèng​jing adjective
    serious
    earnest; not frivolous; (of an attitude or speech) sober or grave
  2. 八 bā numeral
    eight
    eight; 8
  3. 百 bǎi numeral
    hundred
    the number one hundred; 100

zhèng​jing​bā​bǎi genuine
  1. 正经 正經 zhèng​jing
    authentic
    standard; genuine; real; typically describing goods or formal products
  2. 八 bā numeral
    eight
    eight; 8
  3. 百 bǎi numeral
    hundred
    the number one hundred; 100