But excessive cockiness is not a sign of too much success. Rather, it is usually rooted in insecurity and lack of self-confidence.

但是这种夸夸其谈并不是获得成功的表现，相反，它是一种不自信、缺乏安全感的表现。

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And although the war-makers certainly had excessive confidence that they knew what they were doing, the launching of the war involved the rejection of much relevant expertise.

尽管战争制造者有充分的信心，也知道自己的所作所为，然而，相关专业意见并不支持发动战争。

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Excessive smiling in a job interview is seen for what it is — nervousness and a lack of confidence.

面试中过度微笑会被视作紧张和缺乏自信的表现。

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