the party in fault

基本解释

Should all or part of the contract and its appendices be unable to be fulfilled owing to the fault of one party, the party in breach shall bear the liability therefor.
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，由违约方承担违约责任；
The classification of fault liability in conclusion contract, the party to bear liabilities and the principle and means for bearing liabilities, the contents and scope of compensation are discussed.
主要介绍缔约过失责任的分类，责任承担的主体、原则、方式及赔偿内容与范围。
But let us resolve not to become the negative party, too eager to find fault or unwilling to help in this time of crisis and war.
但是，我们绝不应该变成一个负面的政党，急著找替罪羊，或者是不愿在国家目前处于危难之际，主动做贡献。

The fissure rent by this plurality as it escapes partisan captivity will be the fault line around which a party realignment occurs in America.
FORBES: The Grand Old Republican Party Is Over