我的理解是:In what way or ways are you a good friend? In other words, what do you do to be a good friend? Do you help your friend? Do you share your favorite toys with your friend or do you comfort your friend when they are sad?... 这样的解释不知在楼主句子的上下文中解释的通吗?
是否 how are you, a good friend? Chinglish 思维口语化
How are you, my friend?吧