有信心

Be confident about/of sth/doing sth.

对某事有信心

Be /feel confident of sth.

对什么有信心，自信

I agree with you , save that you should be confident of success.

我同意你的意见，只是你应该有信心成功。

Hey, you must be confident of yourself if you want to succeed.

你必须对自己有信心才能成功！

I was calm. I had to be confident of myself.

我很坦然，要对自己有信心嘛，对不对？

That may be because Mr is more confident of his position at home.

这可能是因为哈珀对其在国内的处境更有信心了。

He has always been very confident to be the leadership of his business field.

他对成为商业领域的领军人物很有信心。

Be confident of your ability.

要对你的能力有信心。

The more informed of a decision you can make, the more confident you can be in that decision.

更知情的决定可以，越有信心，您可以在该决定。

Yet we can be confident that we can work our way through these challenges.

但是我们应该有信心，我们是能够设法克服这些难题的。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。