tā / jué de / zì jǐ / zài / zhè lǐ / gōng zuò / shì / dà cái xiǎo yòng / suǒ yǐ / cí zhí / le

他觉得自己在这里工作是大材小用，所以辞职了。

He felt that working here was a waste of his talent, so he resigned.