心有余而力不足 (xīn yǒu yú ér lì bù zú) | Meaning: the will is there, but not the strength (idiom) | Chinese Idiom with Pinyin & Origin

unable to help however much one would like to (idiom); Although we sympathize, there is no way to help you. · My hands are tied.爱莫能助ài mò néng zhù

unable to; incapable of无法wú fǎ

(idiom) to lack the ability to do what one would wish力不从心lì bù cóng xīn

the will is there, but not the strength (idiom) · the spirit is willing but the flesh is weak