skeptical (懐疑的な): He was skeptical about the plan’s success. (彼はその計画の成功に懐疑的でした) - 試験に出る! 英単語検索辞書

skeptical (懐疑的な): He was skeptical about the plan’s success. (彼はその計画の成功に懐疑的でした)

He was skeptical about the plan’s success.