at the expense of (～を犠牲にして): He succeeded at the expense of his health. (彼は健康を犠牲にして成功しました。) - 試験に出る! 英単語検索辞書

at the expense of (～を犠牲にして): He succeeded at the expense of his health. (彼は健康を犠牲にして成功しました。)

He succeeded at the expense of his health.