be confident about

基本解释

Insiders get promotions that reflect their potential, because their bosses have enough information to be reasonably confident about their ability.
能够获得内部提升反映了员工的潜力，因为老板对他们有足够多的了解，自然对他们的能力也有足够大的信心。
Instead, when you take her to a familiar place the answer can be easily given. You would be confident about the answer. That will boost you up and the conversation.
相反，要是带她去你熟悉的地点，则这个问题就是小菜一碟，答案了然于心，这样你就会信心大增，你们的谈话也会兴致勃勃。
treasure.1x1y.com.cn
Equities markets are taking a hammering and it may be some time before people feel confident about investing in shares again.
股票市场正受到重创，还需要一段时间人们才会恢复信心再度进场。

You want to know it well, so that you can be confident about giving your business pitch.
FORBES: How to Become the CEO of Your Own Company This Year
She did take the view that, as a world power, America should be confident about its native artistry.
ECONOMIST: Elizabeth Gordon
In the long run, Americans can be confident about our economic growth.
FORBES: Full Circle