人类思考的最大的忧郁，也许是：大体上，人的慈善行为究竟有益抑或更为有害，是一则疑问。 The most melancholy of human reflections, perhaps, is that, on the whole, it is a question whether the benevolence of man does most harm or good.
忧心忡忡的，郁郁寡欢的让人联想起或表达忧郁的沉思的 Suggestive or expressive of melancholy thoughtfulness.
他的性格中有少许忧郁的气质。 There is a vein of melancholy in his character.
忧郁的感情是该诗的基调。 Melancholy is the preponderant mood of the poem.
