在课堂上不礼貌是不被允许的。

Misbehavior in the classroom is not allowed.

这种行为是不被允许的。

This kind of behavior is not allowed.

孩子们不被允许在客厅玩耍。

The children were not allowed to play in the drawing-room.

作为观察者，他不被允许参与讨论。

As an observer, he was not allowed to participate in the discussion.

汽车将不被允许进入这个城市。

Cars will not be allowed to enter the city.

在一些文化中，婚前/婚外性行为是非常不被允许的。

Sex before/outside marriage is strongly disapproved of in some cultures.

反对意见是不被允许的。

Dissenting opinions are not allowed.

我们不被允许动这架钢琴。

We are not allowed to touch the piano.

我不被允许看限制级的电影。

I am not allowed to watch R-rated TV movies.

丹妮丝不被允许看太多电视。

Denise isn't allowed to watch too much TV.