to be seeing someone 和某人约会交往

搭配 “to be seeing someone” 的意思并不是 “看着某个人”，而是 “正在和某人谈恋爱，交往”。它既可用于形容和特定的一个人交往、约会的早期阶段，也可用于描述两个人谈恋爱的状态，也就是说，“to be seeing someone” 的时间可长可短。

例句

A: I saw you with Natalia at the cinema last night.

B: Yes, we're seeing each other now.

“我昨天晚上在电影院看到你和纳塔丽娅在一起。”

“对，我们正在交往。”

Back in 2010, I was seeing Matt. We broke up soon after, though.

2010 年那会儿，我正和马特交往。不过，在那之后我们很快就分手了。

I heard you're going out with Li Bing now. How long have you been seeing each other?

我听说你在和李冰交往。你们交往多久了？