She could only raise her hand in a gesture of benediction.

她只能举手表示祝福祷告。

《柯林斯英汉双解大词典》

He waved his hand in a negligent gesture.

他漫不经心地挥了挥手。

《牛津词典》

Other studies show that people who lean forward or generate a friendly smile or hand gesture produce more oxytocin, the same chemical generated by breastfeeding and eating chocolate.

其他的研究表明那些身体前倾的人、或者报以友善微笑之人、抑或做手部动力的人会产生更多的一种人在哺乳和食用巧克力时产生的化学物质——催产素。

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Using state-of-the-art driver eye-tracking and 3-D hand-gesture recognition, HCD-14 Genesis is able to recognize driver commands free from the distractions associated with manual controls.

ENGADGET: Hyundai unveils HCD-14 Genesis concept: suicide doors, gesture and eye controls

As he spoke, he waved his hand in a vague, regal gesture, like somebody absent-mindedly swatting away a fly.

NEWYORKER: The Conciliator

That kind of unconscious communication via gesture happens all the time, but people tend to discount gesture because they think of it as mere hand-waiving that accompanies (conscious) speech.

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