foul one's own nest
家丑外揚
A:The woman was beaten again.Why didn't she call the police?
A:那個女人又挨打了,她為什么不報警呢?
B:Because it was her hushand who beat her.
B:因為是她丈夫打的她。
A:It's incredible.
A:真是讓人不可思議。
B:She said that she didn't want to foul her own nest.
B:她說她不想家丑外揚。