有心無力 [－－无－]

Jyutping jau5 sam1 mou4 lik6
Pinyin yǒu xīn wú lì

Definitions (CC-CANTO)
  1. strong in will but weak in power; it means one has the hear or momentum to getting something done, but without the required skills or abilities
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    to have the will but not the power or strength to do something