tā / yīn wèi / jí dù / tóng shì / de / chéng jì / jiàn jiàn / duì / duì fāng / chǎn shēng le / jì hèn

他因为嫉妒同事的成绩，渐渐对对方产生了忌恨。

Because he envied his colleague's performance, he gradually came to hate him.