pull the rug out from under someone
成語所屬單字rug
pull the rug out from under someone — 慣用語
1. to suddenly take away help, support, or an advantage from someone, leaving them
1.慣用語
釋義
突然取消支持；拆台；讓某人陷入困境
to suddenly take away help, support, or an advantage from someone, leaving them in a difficult or weak position
例句
When the bank refused the loan, it pulled the rug out from under the family's house renovation plans.
The sudden cancellation of the bus service pulled the rug out from under the village's elderly residents.