No student is to leave the room.

学生一律不许离开这房间。

《牛津词典》

No, I'm not a student. I'm a doctor, actually.

不，我不是一名学生。事实上，我是一名医生。

《柯林斯英汉双解大词典》

The school rules state that no student shall be allowed out at lunchtime unless he has a request form.

学校规定说不允许学生中午外出，除非他有外出申请表。

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They say that some states have lowered their standards in order to increase student scores on tests required by the No Child Left Behind Act.

VOA: special.2010.03.25

STUDENT: No. Not unless he wants to break the vase into little pieces and stuff it in the corners.

学生：【听不见】,教授：不，除非它想把花瓶打成碎片,然后把它们堆到角落里。

麻省理工公开课 - 计算机科学及编程导论课程节选

And you know, at first, the student, he just had no joy in whatsoever.

而且，刚开始的时候，那个学生无论对什么都没兴趣。

留在记忆中的学生 - SpeakingMax英语口语达人

"He continued to live the lifestyle of a grad student, no frills, " Battersby said.

CNN: Two sides of scientist emerge after suicide

Meanwhile, the student has no reason to scrimp if tuition exceeds the Pell cap, and only modest incentives to comparison shop below that.

FORBES: Who Receives the Subsidy Really Does Matter

The images of the incident were shot in poor lighting and were blurry and the student had no motive for the violent act, he added.

BBC: Charlie Gilmour