Tā / suī / rán / xīn / yǒu / yú / ér / lì / bù / zú / hái / shi / jìn / lì / bāng / zhù / le / wǒ / men

他虽然心有余而力不足，还是尽力帮助了我们。

Although he wanted to help but lacked the ability, he still did his best to help us.