You must abide by the contract.

你必须遵守合约.

Both sides should strictly abide by the contract.

双方应恪守本合同。

The main reason for the delay is that they refuse to abide by the original terms of the contract.

造成这次延误的主要原因是他们拒绝遵守合同上所订的条款。

Quality reliable, abide by the contract, price concessions, and mutual benefit is our aim over the years.

质量可靠，信守合同，价格优惠，互惠互利是我们多年来宗旨。

It goes without saying that both parties must abide by the contract terms which we have agreed upon and signed.

史：毫无疑问，双方必须遵守已经同意并已签署过的合同条款。