表達 「have a falling out」 指某人因與他人意見不合而與其 「大吵一架，鬧翻臉」，從而導致彼此之間的關係變得不再友好。
When I was younger I had a massive falling out with my sister over a toy I hid. I still feel guilty about it even though we get on really well now!
John thought Clare had broken his mug on purpose. They had a huge falling out until he found out it was an accident!
I had a falling out with my best friend last week because she borrowed my favourite top without telling me. We soon made up though!