阳光在闪耀我心终灰暗
[yáng guāng zài shăn yào wŏ xīn zhōng huī àn]
While outside the sun shines brilliantly, yet my heart stays gloomy. This expression conveys contrasted states—one feels emotionally depressed even in bright daylight. The outer world may seem cheerful and hopeful, but inner feelings remain melancholic or pessimistic.