心情低落的英文句子有很多，以下是一些例子：
I'm feeling down today, I'm just not in the mood for anything. 今天我感覺有些沮喪，什麼都不想做。
My mood is low, I'm finding it hard to get excited about anything right now. 我的心情很低落，很難對任何事情感到興奮。
I'm not in a good mood, I'm feeling really irritable and easily frustrated. 我心情不好，很容易感到煩躁和挫敗。
I'm feeling blue lately, I just can't shake this feeling of sadness. 最近我有點憂鬱，無法擺脫這種悲傷的感覺。
I'm feeling depressed and it's affecting my ability to focus on anything else. 我感到很沮喪，這影響了我集中注意力做其他事情。
I'm feeling sad today, I just need some time to myself to process my emotions. 今天我感到很難過，需要一些時間來處理我的情緒。
Even if I had a million reasons to leave you, I would still find a reason to stay. 縱然有百萬個理由離開你，我也會尋找一個理由為你留。
The important thing in life is not the position which stands, but the direction which faces. 人生重要的不是所站的位置，而是所朝的方向。
When love is not madness, it is not love. 如果愛不瘋狂就不是愛了。
I'm so down. 我心情很低落。