We are together.
We are seeing each other.
We are dating now.
We are officially boyfriend and girlfriend.
Date 约会 v.
Have a date.
Let’s have a date tomorrow.
I haven’t been on a date for a while.
A: Do you have a date for the prom? (高中毕业舞会)
B: I’m so sorry, but I have a date already.
I am in love with Jenny. = I fell in love with Jenny.
I am in a relationship with Jenny.
I was in a long-distance relationship but it didn’t work out.
We broke up.
I’m breaking up with you.
He broke up with her because he couldn’t handle a long-distance relationship.
Split up = break up
She left him for a better guy.
Dump v. 被甩掉，被抛弃，用被动语态
She dumped me.
He dumped me.
We are through.
We are no longer together.
It’s history now.
We are done.
I am done with Jack because he never cares about my feelings.
End the relationship with 结束关系
Angelina Jolie and Brad Pitt ended their long-term relationship last month.
Walk out on someone 抛弃，直接走人
When I was a kid, my dad just walked out on us.
Cheat on v. 出轨，背叛
I saw Jerry with another woman yesterday. I believe he’s cheating on his girlfriend.
step out on sb=cheat on sb
My neighbour John stepped out on his wife.
Jerry betrayed Jessica. He’s the betrayer of this relationship.