You have three situations which make you feel unconfident.

会有三种让感觉并不自的情况。

It makes me feel useless, worthless, unconfident, and overly critical.

这让我觉得自己没用、没有价值、不自、过于挑剔。

It makes you sound unconfident in your ability to execute something.

它让听上去对某事的能力很不自。

Instead of seeming unconfident and nervous and embarrassed you're taking ownership, you're dealing with your circumstances.

对比于看起来不自，又尴尬，掌握了主动权，在主动处理自己的问题。

This makes the interaction feel very uncomfortable and they come off as very very unconfident.

这会让整个交际变得很不舒服，他们也会表现的非常非常不自。

Adds Junor: " He went from being this troubled, unconfident teen to this amazing ambassador for the Queen and charity. He charmed the world."

“他从一个麻烦缠身、缺乏自的青少年变了女王和慈善机构的出色大使。他迷倒了全世界。”

Because first of all, in middle school and high school you are really judged a lot, and I was very unconfident, at first, of how I appeared.

首先一点，无论初中还是高中，学生之间互相歧视都很普遍，而我起初对自己的长相很不自。