如果他不努力，他永远也通不过考试。

If he doesn't ___apply ___himself, he'll never pass his exams.

许多以前未知的职业出现了，人们开始更加努力地工作。

Many previously unknown professions emerged, and people started to ___apply ___themselves to their jobs much more than before.

要追求卓越，你必须始终努力完成每项任务。

To achieve excellence, you must consistently ___apply ___yourself to every task.