要对你自己和你的主题有信心。如果你要做一个更好的公众演讲者你必须保持清醒的头脑。
Faith in yourself, your topic, and your general sanity is a must if you are to be a better public speaker.
即使在情况最糟糕的时候，你也必须保持镇静和信心。
You must be calm and confident even when things are at the worst.
如果你是遇到某种情况时失去信心，例如：不和睦的人际关系或一份痛苦的工作，那么如果你还想保持拥有自信你就必须改变这种状况。
If you're in a situation where you're discouraged, such as an unhealthy relationship or a miserable job, you have to change that situation if you want your self-confidence level to grow.
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