依约履行 meaning in English

specific performance

According to the relativity of debts , contract rights and responsibilities only occurs between the two sides of the contract , and so the creditor can only make requests to whom he had credited , the direct debtor , for an obligation to the contract
根据债的相对性规则，合同权利、义务关系仅发生在当事人之间，债权人要实现自己的债权，只能向债务人请求依约履行。
If parties cannot discharge as contracted after the contract was executed pursuant to law , it only has two consequences : one is that the breaching party shall bear the liability ; the other is that the parties may dissolve the contract pursuant to law
合同依法成立后，如果当事人不能依约履行，其后果只能有二：一是由违约方依法承担违约责任；二是由当事人依法解除业已生效的合同。