取消婚约 meaning in Chinese

call off an engagement

The contract would stipulate reimbursements at any point the engagement is called off
该协议将规定在任何时间段取消婚约应支付的赔偿。
I was already heartbroken when my boyfriend broke off our engagement , but to add insult to injury , i wanted to die when i found out that he is marrying my best friend instead
未婚夫和我取消婚约，已经伤透了我的心，更惨的是发现原来第三者是我的最好朋友。