poor contract performance
履行合约的表现差劣
Have they acted up to the contract?
她们是否履行合约？
repudiate a treaty, contract, vow, etc
不履行条约、 合同、 誓约等.
The privilege of demanding fulfillment of a contract at a specified time.
履行契约权在规定时间内要求履行合同的特权
The Mechanism of Cost of Performing Contract in Contractual Performance;
合约履行成本在合约执行过程中的作用机制
If the party required to perform first rendered non-conforming performance, the party who is to perform subsequently is entitled to reject its corresponding requirement for performance.
先履行一方履行债务不符合约定的，后履行一方有权拒绝其相应的履行要求。
redeem one's pledges, obligations
履行誓约、 义务.
Both parties shall fulfil their respective contract obligation.
签约双方都应履行各自的合同义务。
Such failure or delay shall not be deemed a Breach of this contract
此等未履行或延迟履行不应视为对本合同的违约。
If the other party rendered non-conforming performance, one party is entitled to reject its corresponding requirement for performance.
一方在对方履行债务不符合约定时，有权拒绝其相应的履行要求。
In 2001, one quarrying contract and three quarry rehabilitation contracts were in force.
年内履行的合约包括一份采石合约和三份修复石矿场合约。
"Oh, a breach of contract is one party's failure to perform the contract or its performance of the contractual obligations does not conform to the agreed terms. Is this definition right?"
噢，违约就是一方当事人不履行合同或者履行合同义务不符合约定条件。这个定义正确吗?
Should all or part of the contract and its appendices be unable to be fulfilled owing to the fault of one party, the breaching party shall bear the responsibilities thus caused.
由于一方违约，造成本合同及其附件不能履行或不能完全履行时，由违约一方承担违约责任；
Fulfillment of the terms of something, such as a debt or promise.
履行责任履行，执行如债务、誓约的条款
In case you do not carry out the contract, we'll have to cancel it.
万一你方不履行合同，我们将不得不撤约。
Study on the Position of Specific Performance in the Remedy System of Breach of Contract;
实际履行在买卖合同违约救济体系中的定位
The Nature of the Firm:a Fulfilling Process of a Set of Incomplete Contracts of Factors Using Rights Transactions;
企业的性质:要素使用权交易合约之履行过程
On Fulfilment of “Fundamental Breach of contract” in Contracts for the International sale of Goods;
对国际货物销售合同履行“根本违约”的探讨