He has to wait a long time fa train going back.

他要等很长的时间才可以等到回程的火车。

Moreover, he had to wait a long time for the next train.

而且，他得久候下一班火车的到来。

You have to wait a long time for a bus, and then the bus is empty.

等公车老费时了，不过好彩，来的车都是空的啊，空的啊~~~~~。

If you wait for someone to give you the green light to create and perform music, you may wait a long time.

如果你要等着别人给你创作音乐和表演的许可证，你可能会等很长时间。

The real business need could be to reduce customer complaints about having to wait a long time for calls to be picked up.

公司真正的需求是减少客户对长时间等待接线生接电话的投诉。