that's enough, I'm fine

I said that was enough.

私は「もういい」と言いました

I said that was enough today.

私は今日「もういい」と言いました

I said that was enough in my room today.

私は今日部屋で「もういい」と言いました

I said that was enough while I was sorting my things in my room today.

私は今日部屋で荷物を整理している途中に「もういい」と言いました

I told my friend, who offered to help, that it was enough while I was sorting my things in my room today.

私は今日部屋で荷物を整理している途中に手伝おうとする友達に「もういい」と言いました