Phrases Describing Emotions and Feelings

I'm in a melancholic mood.

Meaning

I'm feeling pensive and slightly sad.

Translation language

John: I don't feel like doing anything today.
Alice: I understand. <b>I'm in a melancholic mood</b> myself today.
John: It's just a general sense of low spirits, nothing specific.
Alice: Me too. Sometimes, <b>I'm in a melancholic mood</b> for no apparent reason.