我严肃而且自信地做出声明。

I declared this seriously and with confidence.

youdao

女孩喜欢自信的男人，而且自信也是商场中拼搏的关键。

Girls love guys who are confident, and confidence is also the key to getting ahead in the business world.

youdao

在这个年纪，你很少可以看到像他这么聪明而且自信的人。

It's a very unusual package to see the intellect and confidence at that age.

youdao

And he says this about his own little research: "I shall not hesitate to put down for you with my interpretations whatsoever things I well learned at one time from the Presbyters," just meaning the old guys,elders,"and well remembered, confidently asserting truthfulness for them.

对于他自己的研究，他这样说：,“我会毫不犹豫地写下,我曾经从长老那里学到和记住的,一切东西，而且加上我的诠释“,长老指长者，前辈，“并自信地肯定他们的真实性。

耶鲁公开课 - 新约课程节选