If you have confidence in someone, you feel that you can trust them.
I have every confidence in you.
我对你有完全的信任。
This has contributed to the lack of confidence in the FDA.
这导致了对食品与药品管理局信任的缺乏。
If you have confidence, you feel sure about your abilities, qualities, or ideas.
The band is in excellent form and brimming with confidence.
该乐队处于极好的状态,表现得充满信心。
If you can say something with confidence, you feel certain it is correct.
I can say with confidence that such rumours were totally groundless.
我可以很有把握地说这些传言完全没有根据。
If you tell someone something in confidence, you tell them a secret.
We told you all these things in confidence.
我们告诉你的这些事情都是保密的。
Even telling Lois seemed a betrayal of confidence.
即使告诉洛伊斯似乎也是一种泄密。
take someone into one's confidence
If you take someone into your confidence, you tell them a secret.