風中燭，瓦上霜 [风－烛－－－－]

Jyutping fung1 zung1 zuk1, ngaa5 soeng6 soeng1
Pinyin fēng zhōng zhú , wǎ shàng shuāng

Definitions (CC-CEDICT)
  1. lit. like a candle in the wind, or frost on the roof (idiom)
  2. fig. (of sb's life) feeble
  3. hanging on a thread