Just drop the matter if he doesn't agree to it. Don't force him.

他不同意就算了吧， 不要勉强。

《新英汉大辞典》

Does China agree to it?

中方对这一方案是否持赞成态度？

youdao

Why did I agree to it?

我为什么要同意？

youdao

It must agree to an amendment to the constitution that would return political balance to North and South.

VOA: special.2009.03.26

It's illegal, so they can't sign that as a contract, but they they can just agree to do it.

因为是违法的,合同也就无效了,不过他们可以私下达成默契

耶鲁公开课 - 博弈论课程节选

OK. So. Why did I do it? It's a simple example, I agree, but notice what I just did. It allowed me to highlight, is the code doing the right thing?

这是一个简单的例子，我同意，但是请注意我刚才是怎么做的,我通过它想要强调，代码是做了正确的？

麻省理工公开课 - 计算机科学及编程导论课程节选

And we got the car companies and auto workers to agree to it, not just environmentalists.

WHITEHOUSE: President Obama Talks with Virginia Families on the Economy | The White House

Because, you see, there is no chance at all that the UK will agree to it.

FORBES: Oh, Yes, Yes Please! A European Financial Transactions Tax in 2012

They have, of course, since said that they are unable to agree to it.

BBC: NEWS | UK | Northern Ireland | 'Arms photo reasonable': Ahern