The teacher didn't want his authority challenged in front of the class.

那位教师不想让他的权威在全班学生面前受到挑战。

After that you could choose a partner to talk about what you usually do in your free time and the last thing was to describe yourself in front of the class.

之后，你可以选择一个伙伴来谈论你通常在空闲时间做什么，最后一件事是在全班面前描述你自己。

A student stands in front of the class.

一个学生站在同学的前面。

Don't lose your temper in front of the class.

别在班上发脾气。

The teacher usually stands in front of the class.

老师通常站在学生前面。

Danny, Jenny and Brian stand in front of the class.

丹尼, 珍妮,布赖恩站在同学们的前面.

Pass the boy the copy of book who is sitting in front of the class room.

请把这本书递给坐在教室前面的那个男孩.

They play it like this: six students stand in a row in front of the class.

他们是这样玩的：6个学生在全班前面站成一排。

I really love playing the piano, but I can't stand singing in front of the class.

我确实喜欢弹钢琴，但是我不喜欢在全班同学面前唱歌。

I gradually discovered myself feeling comfortable speaking in front of the class.

我逐渐发现自己适应了在全班人面前讲话。