1 sentence for 克 (kè — be able to)

1. 他一辈子勤劳奋斗，终于克尽职守地完成了工作。

   tā yī​bèi​zi qín​láo fèn​dòu, zhōng​yú kè jìn​zhí​shǒu de wán​chéng le gōng​zuò.

   He worked hard all his life and fulfilled his duties with total devotion.

   Source: Dong Chinese Dictionary