be confident about

基本解釋

Insiders get promotions that reflect their potential, because their bosses have enough information to be reasonably confident about their ability.
能夠獲得內部提升反映了員工的潛力，因為老板對他們有足夠多的了解，自然對他們的能力也有足夠大的信心。
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，要是帶她去你熟悉的地點，則這個問題就是小菜一碟，答案了然于心，這樣你就會信心大增，你們的談話也會興致勃勃。
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.
股票市場正受到重創(chuàng)，還需要一段時間人們才會恢復信心再度進場。

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