一个经典的表明说谎的线索是当他们说说表示否定的话(比如“不”)时，却点头了(“是”的回答)。

A classic clue that's someone's lying is when they say something negative (like "no") but nod their head up and down (a "yes" response).

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不：放在形容词前面表示否定。

'bu' negates an adjective when placed before.

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本文对否定副词“不”、“没（有）”进行比较，指出“不”是表示句中主语的主动否定或说话者的主观否定；“

This paper, which compares the negative adverbial words of Bu with Mei You, points out that Bu shows the positive denial of the subject or the subjective denial of the speaker;

youdao

本文对否定副词“不”、“没（有）”进行比较，指出“不”是表示句中主语的主动否定或说话者的主观否定；“

This paper, which compares the negative adverbial words of Bu with Mei You, points out that Bu shows the positive denial of the subject or the subjective denial of the speaker;

youdao