歌曲《我知道》表达了在分开后仍然彼此相爱的情感，以及对未能继续关系的遗憾和释然。
这首歌讲述了一对曾经深爱的伴侣，在无奈的现实中选择了分开。尽管彼此心中仍然保留着对对方的爱意，但双方都接受了分开的事实。歌曲通过细腻的歌词，展现了主人公对这段关系的回忆和感悟，表达了对未能在一起的遗憾，同时也体现了对彼此的理解和祝福。
1. 持续的爱意
"我知道你还是爱着我，虽然分开的理由，我们都已接受"
This line reflects that despite the separation, the deep affection between the two remains unchanged. They acknowledge the reasons for the breakup but cannot deny their lingering love for one another.
2. 彼此的理解与支持
"你知道我会有多难过，所以即使到最后，还微笑着要我加油"
This shows the other person's consideration and support, even in the face of separation. They try to be strong and encourage each other, showing the respect and care they still have for one another.
3. 无奈的放手与释然
"我知道你还放不下我，才会在离开时，闭着眼没有回头"
This highlights the difficulty in letting go and the emotional struggle involved. The imagery of closing one's eyes while leaving symbolizes the attempt to move forward despite lingering feelings of attachment.
4. 共同的未尽之爱
"我们都知道彼此心中，其实这份爱没停过"
This line emphasizes that both parties are aware that their love persists, even though they are no longer together. It underscores the enduring nature of their emotional connection.
5. 对未来的承诺与希望
"答应你我会好好过，不让这些眼泪白流"
This reflects the protagonist's determination to move forward and make the most of their life, even though the separation brings sadness. It shows a commitment to personal growth and finding happiness despite the loss of the relationship.
Overall, the song captures the complexity of love, separation, and the enduring emotions that remain even when two people can no longer be together. It resonates with listeners who have experienced similar feelings of lost love and the bittersweet nature of moving on.