He's a self-assured, confident negotiator.
他是一个胸有成竹、充满信心的谈判者。
But now these days are gone, I'm not so self assured.
但那些日子已经过去, 我现在已不是那么自信.
期刊摘选
His appearance is natural and rustic, his behavior self assured, steady and fearless.
表情纯朴自然, 行为自信, 坚定,无所畏惧.
期刊摘选
But now these daya are gone, i'm not self assured.
但现在这些亚都走了, 我也没有自绝了.
期刊摘选
And this time she said: "I want to look professional and self-assured."
2017年6月六级真题（第二套）听力 Section BI told her to create a picture of what self-assured would look like.
2017年6月六级真题（第二套）听力 Section B"hardly more than a boy but firm-knit and self-confident"