听着那首老歌，他心中涌起一阵无名的忧郁。

Listening to that old song filled him with a deep sense of ___melancholy.

秋日的黄昏总带着一种诗意般的忧郁。

The autumn dusk holds a poetic ___melancholy.

雨天的忧郁让她的心情更加低落。

The rainy day filled her with a deep ___melancholy.