他同意帮助我们。

He agreed to help us.

youdao

尽管勉强，他最后还是同意帮助我们。

He finally agreed, albeit reluctantly, to help us.

《牛津词典》

他不同意帮助我们。

He didn't agree to help us.

youdao

他不同意帮助我们。

He didn't agree to help us.

youdao