他不能通过这次，因为他学习不认真，更何况他又不太聪明。

He can't pass the exam, because he doesn't study hard. What's more, he isn't so clever.

youdao

如果他不认真学习，他将赶不上班里其他同学。

He won't catch up with the others if he study hard.

youdao

只要他不认真学习，沈佳宜就会用圆珠笔戳他的衣服。

As long as he doesn't study hard, ShenJiaYi will use a ball-point pen poked his clothes.

youdao