如果总是让模特屏住呼吸的话，她是无法表现出自然的表情的。

If your subject if holding her breath she cannot emote and create natural expressions.

youdao

手通常用于自然的表达感觉和感情，能经常包含于姿势或者表情中。

Hands are used naturally to express feelings and emotion and can often give context to a pose or expression.

youdao

最后，我放任自己窥探房间里的其它人。他们肩上裹着毯子，手自然放下摊开，脸上渐无表情。

Eventually, I allowed myself to spy on the other people in the room, their shoulders wrapped in blankets, hands fallen open, faces drained of expression.

youdao