Time is limited, let's get the ball rolling.

时间有限，让我们开始吧！

Sometimes the simplest way to get the ball rolling is by asking for help.

有些时候，展开一段对话最简单的方法就是寻求帮助。

We've been trying to get the ball rolling on establishing our own library.

我们一直在尝试建立自己的图书馆的事开始进行。

If you don't get the ball rolling soon, you may not finish this project on time.

如果你早点开始的话，你可能没法准时完成这个工程。

OK, everyone. Let's get the ball rolling. Come and sit down and we'll start the meeting.

好了各位，我们开始吧。来，请坐，会议要开始了。