恒星口语讲堂:"约会"用英语怎么说?

当一对男女处于恋爱关系中时，该怎样描述呢：

They are in a relationship.
Is she seeing anyone now?
I think we are going steady.

See someone 和 go steady 都表示"长期和某人约会，处于恋爱关系中"。