dumb (愚かな): It was a dumb mistake, but he learned from it. (愚かなミスだったが、彼はそれから学んだ) - 試験に出る! 英単語検索辞書

dumb (愚かな): It was a dumb mistake, but he learned from it. (愚かなミスだったが、彼はそれから学んだ)

It was a dumb mistake, but he learned from it.