叙旧的英文：
talk about the past

参考例句：

I've enjoyed talking to you about old times.
我很高兴曾经和你叙旧。

Grandfather likes to reminisce with other old people after supper.
爷爷喜欢饭后跟几位老人叙旧。

talk是什么意思：
n. 交谈；谈话，会谈；闲话，空谈；讲话；说话的方式
v. 交谈；有说话的能力；商讨；说；说闲话；提供情况

Talk Billingsgate
说脏话

They will have a talk at meals.
他们将在进餐时讨论。

That is a talking crow
那是一只会说话的乌鸦。

about是什么意思：
prep. 关于；大约；从事于；在…到处
adv. 附近
adj. 在附近的；即将...的

There was nobody about.
附近没有人。

Stereotypes about adultery are as common as research about it is flaky.
奇怪的是：这种陈词滥调和关于通奸的研究一样普遍。

She has a complex about rats.
她对老鼠有病态恐惧。

past是什么意思：
n. 过去；往事
adj. 以前的；结束了的；过去式的
adv. 以前地；经过，超过
prep. 在…之后，晚于；再也无法；经过，越过；超过

The past is the prologue.
前事不忘，后事之师。

He pasted the wall with Burlap. The wall is pasted with splotches.
他用粗麻布贴墙。墙上沾满了污点

It happened far back in the past.
这事发生在久远的过去。