wear out是“把人家烦死了”的意思 大概意思是说：为什么我还没走呢?他们非得跟我说再见就好象这辈子再也见不着我了,这种情况已经很明显开始让我的朋友们觉得很烦.句子结构是这样的：Clearly 这个是修饰 is的 their .me 是个很长的主语 改成短句子比较容易理They have to say goodbye as if it's the last time they're ever going to see me.This is clearly beginning to wear out my friends.