1. This is a melancholy scene.
    这是一个令人悲伤的情景。

2. The novelist has set the story in a quiescent melancholy of the town.
    这个小说家把故事安排发生在一个安静的忧郁的小镇。

3. And sings a melancholy strain;
    还唱着一支忧郁的歌；