It can also refer to feeling that one has to prove oneself and either doesn't know how to do or feels inadequate.
花瓣边缘是一群小点围在一起，显得丰富愉快。
How to prove oneself get acuteness wet wart?
Life is just a few decades, the most important thing is to prove oneself, not to please others.
Only by complaining more about oneself can one get along with others better and improve oneself better at the same time.
Can treat difficult objectively, virtuous tolerant improve oneself, not content with one's lotting, principle that I conduct oneself.