the villain of the piece

成語所屬單字piece

the villain of the piece — 慣用語

1. The person or thing responsible for causing trouble in a situation.

1.慣用語
釋義

罪魁禍首

The person or thing responsible for causing trouble in a situation.

例句

In this scandal, the villain of the piece was the accountant.

The faulty brake was the villain of the piece in the accident.