The story behind her success is it's a long story.

她的成功背后说来话长。

How we met is it's a long story.

我们的相识说来话长。

Their relationship is it's a long story.

他们之间的关系说来话长。

Our travel experience is it's a long story.

我们的旅行经历说来话长。

Why he left the company is it's a long story.

他为什么离开公司，说来话长。

Well, it's a bit of a long story I'm afraid.

好吧，恐怕说来话长。

It's a long story. Emphasis on 'story'.

这就说来话长了。重点在于“故事”。

It's a long story involving multiple deaths.

说来话长，而且牵涉多起死亡事件。

It's a long story. I'm afraid I can't tell you.

真是一言难尽，恐怕我不能告诉你。

It's a long story. Let's just see how Wolpe did that.

说来话长，还是让我们看看沃尔帕是怎么开始的吧。