ring the curtain down on
A:Mary and I decided to ring the curtain down on our love affair.
A:我和玛丽决定分手。B:What? You're been in love for six years, haven't you?
B：你说什么?你们已经恋爱六年了，不是吗?
A:Don't make a fuss, Many people divorce after having lived together for many years.
A：别那么大惊小怪，好多人生活了那么多年以后还离婚了呢。B:What a pity!
B:真遗憾!