先天不足，後天失調 [－－－－－后－－调]

Jyutping
Pinyin xiān tiān bù zú , hòu tiān shī tiáo

Definitions (CC-CEDICT)
  1. to be born with a weak constitution and suffer from ill health during one's life
  2. (fig.) to be problematic from the start, and get even worse over time