Translation of "Limit" in Chinese

Even jokes have a limit.

连笑话也有限制。

Don't go beyond the speed limit.

不要超速。

Don't go above the speed limit.

不要超速。

The car is exceeding the speed limit.

这辆车超速了。

Limit the consumption of white sugar and salt.

限制白糖和盐的消费。

How can a router be used to limit network speed?

怎么用路由器限制网速？

We're sorry, Ami, but you can't be part of our group because it would... you know... exceed the 5-people-per-group limit.

我们很抱歉，Ami，但是你不能加入我们的小组因为..你知道的...小组成员不能超过五个人。