自信比自卑好，自信的人虽然有的时候会桀骜不驯或自以为是，但他们不会自暴自弃或郁郁寡欢，但自卑的人任何时候都是唯唯诺诺或畏首畏尾，而且很容易迷失自我，最终的结果是自己把自己给荒废了。
充满自信的人做什么事都信心十足或精力充沛，在英语中常用 confident 来描述自信的人，它相当于 self-confident，assured 或 self-assured 等，例如：She is confident of victory in Saturday's final.She was in a relaxed, confident mood.
Self-confident 和 self-assured 有些许区别，相比于 confident 或 assured，self-confident 纯粹用来表示某人相信自己的能力，与思想有更多的关系，意为”自信的“，而 self-assured 或 assured 与自己的行动有更多的关系，常常有给与自己太多自信的味道，通常它们几个可以互换，例如：She’s one of the most self-confident young women I’ve ever met.The interview showed her as a self-assured and mature student.
由它们衍生出来的几个名词或副词如 confidence，self-confidence，self-assurance 和 confidently，它们让你的词汇量倍增，可以根据具体的应用选择不同的词性，提高英语表达的灵活性。充满自信的最常用的表达方式是 full of confidence，例如：The players all have confidence in their manager.He has no self-confidence.
他毫无自信。
With all the self-assurance of youth, he felt he would just take a break, then start another band.
带着年轻时的自信，他觉得他应该休息一下，然后再开始另一支乐队。
He argued persuasively, and was full of confidence.
表达”充满自信“可以用一个看似常规的表达方式 ride high，意为”信心十足，兴高采烈，精力充沛“等，有时相当于 very confident，例如：
She's been riding high ever since she got that promotion.I really rode high after that weekend. It was so much fun!
Be riding high 还常用来表示获得成功，相当于 experiencing success，例如：The candidate is riding high in the polls after a strong debate performance.The company has been riding high for the last two years, but will their success continue?这家公司在过去两年里生意一直很成功，但他们的成功还会继续吗？
在表达强度更大的自信时，可以用 assertive 来形容，表达的是坚定的自信，对应的衍生词有 assertively，assertiveness，self-asserting，self-assertive，其中 self-assertive 与 assertive 类似，但 self-asserting 有”过激“的自信，因此使用时，要注意区分，例如：You should try and be more assertive.If you really want the promotion, you'll have to be more assertive.People sometimes confuse assertiveness with aggressiveness and hostility.当你看完以上的内容时，你会发现表达自信的词汇很多，那么在背单词时，可以把它们串成一个记忆链条，链条都是 confident，尾是 assertive，是不是就没那么容易忘记呢？
