She failed to appear for the rehearsal, in flagrant violation of her contract.

她没有参加排练，公然违合同。

I sued for breach of contract.

我控告对方违合同。

Not exactly. It means we strike up a rental agreement, and if you violate that you are out on your keester.

不完全是，我们租房合同，如果你违合同，那就请你路。，我没那意思。