Envy is the sincerest form of flattery.

　　羡慕就是由衷的奉承。

　　【世博精解】

　　Envy, the feeling of wanting something that someone else has.妒忌，羡慕。来看一个例句：He feels envy towards his sister.他嫉妒他妹妹。

　　Sincerest,是sincere的最高级形式。Sincere, a feeling, belief, statement etc that is sincere is honest and true, and based on what you really feel and believe.真诚的；诚心诚意的；诚挚的。

　　Form, a type of something, that exists in many different types.形式，样式。

　　Flattery, insincere praise.奉承；恭维；诌媚。Flattery will get you nowhere!奉承话对你没有什么好处！

　　这句谚语其实告诉我们有时候听到身边的人在夸奖自己，羡慕自己时，要留心一下他的真正目的所在。因为有时候羡慕就是由衷的奉承哦！