I can still experience envy toward my best friend and choose to behave generously and benevolently toward him.

我仍会嫉妒最好的朋友,但选择对他宽容和亲切。

哈佛公开课 - 幸福课课程节选

So I threw a party in New York, and her best friend, my co-worker came, and she brought her,

我在纽约开了个派对，而她最好的朋友，也就是我的同事，把她带到派对上去了。

第一次与妻子见面 - SpeakingMax英语口语达人

For example, I can-- and having the past experience-- envy towards my best friend, that in and of itself does not make me a bad person.

举个例子，我可以…,因为以前的经历-,嫉妒我最好的朋友，那种情绪本身不代表我是个坏人。

哈佛公开课 - 幸福课课程节选