Self-confidence means being relaxed enough to allow your lover their personal space.

自信就是放宽心，给爱人足够的私人空间。

《柯林斯英汉双解大词典》

There're so many factors to determine: your own personal financial situation, whether you have debt, your family situation, burdens, self-confidence and there's no formula.

有很多因素要确定下来：,你的个人财政状况，是否举债，家庭状况，负担，自信，没有定式。

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They've also leveraged their unusual intelligence and personal charisma, helped along by formidable self-confidence and exceptional physical attractiveness.

他们还借助了自己超人的才智、魅力、无以伦比的自信和外表。

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At the personal level, parents also gained literacy skills which enhanced their confidence and self-esteem.

UNESCO: Reading Together