违反（法律或规章）
to be breaking a particular law or rule
The theatre was in breach of the safety laws for having no fire doors. 由于没有消防门，这家剧院违反了安全法规。
We were informed that we were in breach of our contractual arrangements.
I'm afraid we cannot disclose the sum as doing so would be in breach of our agreement with the client.
The council had been warned that it was in breach of its obligations to children.
The club had previously claimed that he was in breach of the obligations of his 2020 contract.
See also: breach noun (BROKEN PROMISE/RULE)