illegal contract

例句：

1. 1. The company was fined for entering into an illegal contract with a competitor.
   该公司因与竞争对手签订非法合同而被罚款。
2. 2.The agreement is considered unlawful because it violates the terms of the contract.
   该协议被认为是非法的，因为它违反了合同条款。
3. 3. The parties involved in the contract are required to comply with all legal requirements and regulations.
   参与合同的各方必须遵守所有法律要求和规定。