A: It is well known that there's no love lost between them, so it would be silly to invite them both to your party.
B: What had happened between these two people?
A: I don't know it clearly, but it seems that is because of the matter of feeling.
B: Really? I heard that they had been very good friends.
A: Yeah, so we say there no certainty in the world.
there's no love lost between
There is no love lost between的意思是“彼此毫无感情”“相互讨厌”。
E.g. I never had much in seeing you. There was no love lost between us, at any time, I think.
E.g. It's awkward being friends with both John and Carroll—there's no love lost between them.
E.g. It's public knowledge that there's no love lost between the president and his counterpart across the border.
翻译：It is well know that...
例句：It is well know that they are lovers.
翻译：That is because of......
例句：He is a nice man but he easily offend someone else. That is because of the matter of his character.
翻译：There is no certainty.
翻译：It seems that...
例句：It seems that this is your idea of cleaning a room.