He radiated self-confidence and optimism.

他显得自信乐观。

《牛津词典》

He has enormous confidence and strength of purpose.

他信心十足，意志坚强。

《牛津词典》

I feel full of confidence and so open to possibilities.

我感到充满信心且对各种可能都愿意接受。

《柯林斯英汉双解大词典》

"Today we can say with confidence and conviction that we have broken the trajectory of the AIDS pandemic."

VOA: special.2010.12.01

What I saw in her, what she gave to me, a strong sense of faith, of confidence and trust in God.

她所给予我的，我从她身上看到的，是对上帝的绝对信仰。

普林斯顿公开课 - 人性课程节选

Because you'll have an appropriate level of confidence and competence in your ability to do computational problem solving.

因为你们在自己的能力范围内,拥有应对解决计算问题的,正当水平的自信心和竞争力。

麻省理工公开课 - 计算机科学及编程导论课程节选

What passengers require now, I think, is the rebuilding of confidence and it does require a fundamental rethink.

BBC: George Muir and Stuart Francis

This is a crucial step to renewing self-confidence and being entirely comfortable with who you are.

FORBES: Against All Stereotypes: Stress, Depression, Recovery, and Then?

The two presidents give off different vibes but share abundant confidence and varied interests.

NPR: Xi, Obama Look To Strike Up Relationship At Summit