The sooner it happens, the better it will be.

事情发生得越早越好。

Television news is updated as it happens.

电视新闻会实时更新。

It happens to the best of us, don't worry.

这种事情在我们最优秀的人身上也会发生，别担心。

It happens every time I try to start the car.

每次我试图启动汽车时，这种情况都会发生。

It is sad but it happens.

这种情况很伤人心，但却时有发生。

That is as it happens.

那得看情况说话.

What To Do If It Happens?

当这些迹象发生时该怎么办？

It did happen. It happens today.

确实是这样，类似的事情今天也有。

I hope it happens some day.

我希望这能在某一天发生。

But that's not how it happens.

但是，不是这样子的。