level of confidence

基本解释

Your level of confidence is determined by the way you perceive the world.
你们的自信水平取决于你们感知世界的方式。
If your level of confidence in what you know never ever decreases, you may not be learning enough.
如果你的自信心水平在你所熟知的领域从未下降过，这就证明你学的还不够。
People tend to find confident voices more attractive and level of confidence can change over time.
人们普遍觉得自信的声音更有吸引力，而人的自信程度时常变化。

"Now,with large epidemiological studies done everywhere including here, we can say with a great level of confidence that the disease affects roughly the same percentage of the general public worldwide.
Because you'll have an appropriate level of confidence and competence in your ability to do computational problem solving.
因为你们在自己的能力范围内,拥有应对解决计算问题的,正当水平的自信心和竞争力。
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And then you'll find that your level of competency increases, your confidence level improves,
到时候你会发现你的能力提高了，信心增强了，
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Showing your torso is one way of demonstrating a high level of confidence, security or trust.
FORBES: President Obama, Congress, and the Body Language of Negotiation