Swagger and overconfidence suppress vulnerability, uncertainty, and tenderness.

用外表的狂妄自大掩饰脆弱，犹豫和软弱。

But what fuels this overconfidence and are we all susceptible to it?

但是，是什么助长了这种过度自信呢？我们都容易受到它的影响吗？

And that's because of that overconfidence.

这是因为他们过于自信。

On the other hand, a life of overconfidence is reckless and short-sighted.

另一方面，过度自信的人生鲁莽又短视。

And that reliance may well lead to overconfidence and poor decision making.

对于科技的依赖很可能导致人们过度自信和无法科学决策。

" Because if taken in excess, it causes giddiness, recklessness, and dangerous overconfidence, " said Slughorn.

“因为，如果过量服用，就会导致眩晕、鲁莽和危险的狂妄自大。”斯拉格霍恩说。

And so similar to a life without confidence, overconfidence leads to a life of wasted potential too.

与没有自信的人生相似，过度自信也会导致浪费潜力的人生。

And so you're trying to make sure that, that overconfidence doesn't outshine you, doesn't harm others either.

所以你要努力确保，这种过度自信不会让你相形见绌，也不会伤害其他人。

My case is, as I have told you, almost complete; but we must not err on the side of overconfidence.

我已经告诉过你，这个案子差不多完全明白了，可是咱们不要过于自信，以免搞出错来。

So there are individual biases like overconfidence.

因此存在过度自信等个人偏见。