When the teacher left, two students who I often saw text in class started boasting about how they sent text messages and never got caught.

老师走后，两个经常在课堂上发短信的学生开始吹嘘自己是如何发短信，而且从来没有被抓到过。

youdao

What happened when the teacher left the classroom?

老师离开教室后发生了什么事？

youdao

The children started to act up as soon as the teacher left the room.

老师一离开教室，孩子们就闹起来了。

youdao

Some people write going down. Some people write from left to right, some from right to left.'" Another educator, Kate Foy of the British School in Washington, says the teacher's role is to enable students to discover for themselves.

VOA: special.2011.03.10

The reader is left saddened by the fact that, despite an excellent head teacher and a generous government, the streetwise children of education-averse parents can be so hard to deal with.

ECONOMIST: Politics and education

Claims were also made against a former violin teacher who had already left the school.

BBC: Chethams School of Music

In a statement, headteacher David Clark said the woman - a teacher at the school for 13 years who has not been named - had resigned her position and left with immediate effect.

BBC: Teacher resigns after exam raid