Is there a reason you didn't want to tell the truth?

I don't see why you can't just tell the way it is.
I would say something to the effect of "Oh, I did hear something through the grape vine, but I'm happy for you as long as you are happy"

所有跟帖： 

• 有。因为至少我听到的版本是他们出轨，严重伤害了各自的配偶。我跟他们已经没有交集了， -糖果果- ♀ (330 bytes) () 08/31/2013 postreply 22:37:28

• I had a similar situation at work a couple years ago -Philosophied- ♀ (958 bytes) () 08/31/2013 postreply 23:09:08

• Exactly the same situation. -糖果果- ♀ (452 bytes) () 08/31/2013 postreply 23:16:24

• I imagine ppl in their postition would really appreciate -Philosophied- ♀ (182 bytes) () 08/31/2013 postreply 22:42:28

• 恩，应该是这样的。所以我在三秒钟里做出的反应是， -糖果果- ♀ (200 bytes) () 08/31/2013 postreply 22:48:21