/ˈsædli ||; ˈsædlɪ/adv1 unfortunately 不幸地；令人遗憾的是: Sadly, after eight years of marriage they had grown apart. 遗憾的是，他们结婚八年以后分手了。
2 in a way that shows unhappiness 悲哀；凄切
3 in a way that is wrong 错误地: If you think that I've forgotten what you did, you're sadly mistaken. 要是你以为我忘了你的所作所为，那就大错特错了。