第一，情景对话

A: Why did you quarrel with our teacher?

为什么你和老师吵架？

B: He held a brief for Tom, it's unfair.

他有意维护汤姆，这是不公平的。

A: Don't tell me that. I think you were wrong, too.

别这么说，我想你也有错。

第二，词海拾贝

hold a brief for

exp. To be able or unwilling to tolerate or support someone or something.（为......辩护，有意维护......）

e.g. The boss held a brief for his assistant who had done wrong.

老板的助理做错事情了，但是老板还是为他辩护。

第三，语汇积累

quarrel with:与......争吵

e.g. I would rather be laughed at than quarrel with him.

我宁愿被嘲笑，也不愿和他吵架。

e.g. It's very sad when husbands and wives quarrel with each other.

夫妻间起口角是很不幸的事。