Don't lie: if the conversation drifts to a topic you're not knowledgeable about, admit you don't know the answer and then explain how you would go about finding a solution.

不要撒谎：如果谈话转到一个你不了解的话题，承认不知道答案；然后解释你将如何去寻找解决办法。

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Finally, we found that the presence of a friendly, but not knowledgeable, mediator can enable children to reach levels of learning similar to formal schools with trained teachers.

最后，我们发现，一种友好但不博学的媒介，可以使孩子们达到类似于在有训练有素教师的正规学校的学习水平。

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The company did not have the money to hire "experts", and there was no established athletic footwear industry in North America from which to recruit those knowledgeable in the field.

该公司没有钱雇佣“专家”，而且北美也没有成熟的运动鞋行业来招募该领域的知识分子。

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Secretary Gates said he was not knowledgeable about the Vice President expressing that opinion.

WHITEHOUSE: Press Briefing by Deputy Press Secretary Bill Burton

Pensions accept what they are told by managers, in part because they are not knowledgeable about brokerage practices.

FORBES: Pensions and Brokerage: The Brokerage Battlefield Revisited (October 1, 2000)

That is, fiduciaries with responsibility for the plans are not knowledgeable, do not commit enough resources to these plans and indeed are not financially motivated to use their best efforts.

FORBES: An Extreme Makeover Due For Defined Contribution Plans: 401(k), 403(b) and 457s All Under Attack (June 1, 2007)