blow up in somebody’s face
成語所屬單字blow
blow up in somebody’s face — 慣用語
1. If a plan blows up in your face, it goes very wrong and causes you harm or embar
1.慣用語
釋義
（計劃）失敗並反噬
If a plan blows up in your face, it goes very wrong and causes you harm or embarrassment.
例句
His scheme to cheat on the test blew up in his face.
The surprise party blew up in my face when she found out.