表达 “go way back with someone” 的意思是 “与某人是老相识”。它和 “know each other for a long time” 的意思相同，都可以描述两个人认识的时间很长，且有共同的经历。

例句

Tim and I go way back – we met at primary school.

蒂姆和我是老相识，我们在小学的时候就认识了。

My dad and Roger go way back. They’ve been friends since university and still see each other every few weeks even after all these years.

我爸爸和罗杰是老相识。他们从上大学时起就是好朋友，而且这么多年过去了，两人仍是隔几周就聚一次。

Laura said she knows someone who can help us with this new piece of work. Apparently, they go way back and have worked together many times before.

劳拉说她认识一个能帮我们做这项工作的人。据说他们相识已久，而且多次共事。