語句
想做,但係能力或力量唔夠,做唔到 unable to do what one hopes to
Definitions (Wiktionary)
phrase, idiomatic
the spirit is willing but the flesh is weak; to be unable to do what one wants very much to do; to have the ambition but lack the ability (syn.) 力不從心, 心余力绌, 力不从心, 心餘力絀