Let it go and say goodbye with a smile. Although it won't be easy.
学着放手，微笑着道别，尽管这并不容易。
【知识点讲解】
let go 放手
例句：
Bully! Hooligan! Beast! Let me go, let go!
混蛋！流氓！王八蛋！放开我，放开！