perfect

完美的，极好的

【例】The goods were in perfect condition when they left here.

货物运离此地时，状况良好。

perform

执行

①【例】Both parties shall observe and perform all the terms and conditions of this Agreement.

双方均应遵守和执行本协议的一切条款。

②过去分词用作定语。

【例】Inspection performed under the export regulation of China shall be final and conclusive in respect of quality and/or conditions of goods.

货物质量和/或状况，以按照中国出口规章所进行的检验为最后依据。

performance

【1】（合约等）履行，执行

【例】We shall guarantee the performance of the contract.

我们将保证合同的执行。

【2】（机器等）性能

【例】If there is any problem in the performance of the machines Party A shall have the right to claim against Party B for any losses sustained.

如机器性能有问题而引起损失，则甲方有权向乙方提出索赔。

【3】（企业等）运营情况，成就，成绩

【例】The performance of our foreign trade is really remarkable.

我们对外贸易的成就的确很显著。