【教えて下さい】「I agree 反対語」の英訳

I disagree
同意できません。

It was brave of her to disagree with him. ＝She was brave to disagree with him.
彼と意見を異にするとは彼女は勇敢だ.

I disagree about who cleans.
誰が掃除をするかでもめる。

http://ejje.weblio.jp/sentence/content/disagree