You must never "jump the queue".

你绝不能不按次序排队。

Do not jump the queue.

请排队买票，不要插队。

We shouldn't jump the queue at any place.

在任何地方我们都不应该插队。

Old nun asks the child, you why jump the queue?

老修女问孩子，妀你为什么插队呢？

If he were a gentleman he would not jump the queue.

假如他是绅士他就不会插队的。