You can use unfortunately to introduce or refer to a statement when you consider that it is sad or disappointing, or when you want to express regret. 遗憾地
adverb [程度副词] 不幸地，遗憾地；<正式>不恰当地，不合适地
I can't make it, unfortunately. 很遗憾，我来不及。
- unfortunately 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Episode 7 Man's Best Friend ACT III unfortunately 副词: 遗憾地
- Lesson 46 Do it yourself
- Episode 12 You're Tops ACT III
- 网友用 “Unfortunately” 造句精选
- Unfortunately for him, his title brought obligations as well as privileges. 对他来说遗憾的是，他的头衔既带来了特权也带来了义务。
- Unfortunately the plan backfired. 不幸的是，计划产生了适得其反的结果。