许多学生平时不认真学习英语，懒于应付。
Many students usually don't really study English and are lazy about it.
如果他不认真学习，他将赶不上班里其他同学。
如果你再不认真学习，这门课程就要不及格啦。
If you fall down on the job of studying once more, you won't pass this course.
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.
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.
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