心有余而力不足

1. • the will is there, but not the strength (idiom)
2. • the spirit is willing but the flesh is weak

Character by character

• 心(xīn)heart
• 有(yǒu)have
• 余(yú)surname Yu
• 而(ér)and
• 力(lì)surname Li
• 不(bù)no
• 足(zú)foot