If he works hard, he will surely succeed.

如果努力工作，他肯定会成功。

youdao

If he works hard, Tom will pass the exam.

如果汤姆努力学习，他就会通过考试。

youdao

He will do better in his studies if he works hard.

如果他更用功些，他会学的更好。

youdao

(SAYING) Simbo says if he works hard, he can get two or three carats of gold every day.

VOA: standard.2010.04.22

That means that a person can rise from poverty to wealth and success if he or she works hard.

VOA: special.2010.05.16

This team captain truly is just that--he always works hard and pushes himself to the extreme, even if it means injuring himself trying to make an impossible catch.

FORBES