A microexpression is a brief, involuntary facial expression shown on the face of humans when one is trying to conceal or repress an emotion.

微表情是人在试图隐藏或者控制某种情绪时不自觉地表现出来、且持续时间很短的一种面部表情。

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Facial expression predicted divorce even when the smile or frown was on a ten-year-old's face.

甚至从10岁时照片上的笑容或者是皱的一个眉头都能够预计一个人的离婚。

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When a person's facial expression is not symmetrical on both sides of the face, it is likely that they are pretending to feel the emotion.

当人的脸部表情两边不对称的时候，极有可能他们表现的感情是装出来的。

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As he begins to backtrack, she jolts upright, stares back in shock, then in mock shock, shifting in subtle increments until she smiles, lets her face go blank again, and leans back into his arms with relaxed panic, a twenty-sided facial expression that should earn Lauren Graham a special Emmy.

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