sadly

Buồn, tiếc nuối

in a way that shows sadness or unhappiness

Collocations sadly disappointed · sadly missed

• She looked at him sadly.

  Cô nhìn anh ta với vẻ buồn bã.

Thật tiếc, đáng buồn

unfortunately or regrettably; in a way that expresses disappointment or regret

Collocations sadly enough · sadly to say

• Sadly, the meeting had to be cancelled.

  Thật tiếc, cuộc họp đã phải hủy bỏ.