187 It's a long story. 说来话长。

示例

A：Well, it's a long story. Do you want to know it?

B：Yes, I'm all ears.

A：嗯，这说来话长，你想知道吗？

B：当然，我洗耳恭听。

A：How do you know each other?

B：Ha-ha, it's a long story.

A：你们怎么认识的啊？

B：哈哈，说来话长。

常用英语口语