to honour the contract 重合同

    to annual the contract 废除合同

    to terminate the contract 解除合同

    to alter the contract 修改合同

    to abide by the contract 遵守合同

    to go back on ones words 反悔

    to be legally binding 受法律约束

    to stand by 遵守

    non-payment 拒不付款

    to secure ones agreement 征得...的同意

    Additional Words and Phrases

    contract price 合约价格

    contract wages 合同工资

    contract note 买卖合同（证书）

    contract of employment 雇佣合同

    contract of engagement 雇佣合同

    contract of carriage 运输合同

    contract of arbitration 仲裁合同

    contract for goods 订货合同

    contract for purchase 采购合同

    contract for service 劳务合同

    contract for future delivery 期货合同

    contract of sale 销售合同

    contract of insurance 保险合同

    contract sales 订约销售

    contract law 合同法

    to ship a contract 装运合同的货物

    contractual dispute 合同上的争议

    a long-term contract 长期合同

    a short-term contract 短期合同

    contract parties 合同当事人

    contractual practice/usage 合同惯例

    contractual claim 根据合同的债权

    contractual liability/obligation 合同规定的义务

    contractual income 合同收入

    contractual specifications 合同规定

    contractual terms & conditions 合同条款和条件

    contractual guarantee 合同规定的担保

    contractual damage 合同引起的损害

    contractual-joint-venture 合作经营，契约式联合经营

    completion of contract 完成合同

    execution of contract 履行合同

    performance of contract 履行合同

    interpretation of contract 解释合同

    expiration of contract 合同期满

    renewal of contract 合同的续订