“到时候再说” 用英文怎么说？

1、we'll talk about it then.我们到时候再说。

2、Let's talk about it later.我们以后再谈吧。

3、Let's discuss this at another time.我们改天再讨论吧。

4、we'll cross that bridge when we get to it.船到桥头自然直。