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Only the shallow know themselves.

浅薄者才懂他们自己。

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Only those who learn how to live can get to know themselves and life.

只有知道如何生活的人们，才会开始认识自己和人生。

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The government also is giving its all to make sure people know how to protect themselves from getting HIV/AIDS.

VOA: standard.2010.05.29

And there are some studies showing that people who know themselves, who study themselves, who are self-reflective, display less egregious behavior, less immoral behavior toward others.

有些研究表明了解自己的人，研究自己的人，反思自己的人，对别人做出过分的行为，不道德的行为会相对较少。

哈佛公开课 - 幸福课课程节选

You know, you've seen, and there are some products where they sell themselves as no-ad products.

你知道，你也见过，有的产品销售的时候号称无广告产品。

广告和价格的关系 - SpeakingMax英语口语达人

For others, they know themselves well enough to make good career investment decisions.

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The Meru people need to be rejuvenated and revived in order that they know themselves and become proud of themselves.

UNESCO: Patrimoine culturel immat��riel

That would require a whole new set of decision-making skills, based on how well teams think they know themselves and their opponents.

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