She was confident of their own, but not blindly arrogant.

她对自己很有信心，但不盲目自大。

youdao

But the other extreme appeared again, or is shown increasingly, that is, people to be too confident of their own, to despise all.

但另外一个极端又出现了，或正日益显现出来，那就是，人们过于相信自己，藐视一切。

youdao

Few people feel confident enough to throw themselves into the hurly-burly of financial markets on their own.

很少有人有足够的信心孤身一人置身于喧嚣的金融市场上。

youdao

In particular, behavioural economists have argued that human beings tend to be too confident of their own abilities and tend to extrapolate recent trends into the future, a combination that may contribute to bubbles.

ECONOMIST: Financial economics

The majority of undergraduate students completely ignored this input, confident that their own ideas would be superior.

FORBES: Why Do Patients Take Their Doctor's Advice?

Companies may be confident that their own systems are bug-free, but they are less sure of those of others.

CNN: Page 4