why haven't they seen each other lately?

why haven't they seen each other lately?
why haven't they seen each other lately?

why haven't they seen each other lately?
为什么他们最近都没有见面?

see somebody一般的意思是男女朋友交往
he's seeing Susan now，就是他在和苏珊交往的意思
为什么他们俩最近没有什么交往了？（没什么接触了？不约会了？这些意思，具体可以按照上下文翻译）

为什么他们最近没见面？

最近他们为什么不见面了？