心有餘，力不足 [－－余－－－－]

Jyutping sam1 jau5 jyu4 , lik6 bat1 zuk1
Pinyin xīn yǒu yú , lì bù zú

Definitions (CC-CEDICT)
  1. The will is there, but not the strength (idiom, from Confucian Analects).
  2. I really want to do it, but don't have the resources.
  3. The spirit is willing but the flesh is weak.