at best (せいぜい): His chances of winning are slim at best. (彼の勝利の可能性はせいぜいわずかです。) - 試験に出る! 英単語検索辞書

at best (せいぜい): His chances of winning are slim at best. (彼の勝利の可能性はせいぜいわずかです。)

His chances of winning are slim at best.