一个人的孤独好辛苦
[yī gè rén de gū dú hăo xīn kŭ]
Translated into 'hard being alone', highlighting the struggle in isolation, feeling the bitterness, and exhaustion from loneliness. It is believed that this user is going through periods marked by loneliness, yet finding growth and self-improvement while coping with such hardships independently, learning to rely solely on one's own company.