Probably you also feel that he is both self-confident and sincere.

也许你也会觉得他既自信又真诚。

youdao

Mr. Andropov is a strong, self-confident leader, he said.

他说，安德罗波夫先生是一个坚强自信的领导人。

youdao

I am very self-confident individual abilities, regardless of what the environment or what kind of jobs are very confident that he is the best.

我非常自信个人能力，无论何种环境或何种职位，都非常自信自己是最好的。

youdao

He is self-confident, which is not unusual in a senior politician.

BBC: Obama victorious, but not yet the master politician

He is a self-confident fellow, although his sense of humour protects him from arrogance.

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He is self-deprecating, yet confident.

NPR: In Obama, Americans See Promise Of A New Start