The CEO spoke in a mournful tone when announcing the closure of the factory.

執行長宣布工廠關閉時，語氣十分哀傷。

Employees sent a mournful email of condolence after their longtime manager passed away.

資深經理過世後，員工們寄出了一封哀傷的慰問電子郵件。

The hotel lobby felt oddly mournful once the band stopped playing its sad songs.

樂團停止演奏那些悲傷的歌曲後，飯店大廳反而顯得格外哀傷。