Repeatedly Shifting Body Weight from Foot to Foot - This is another gesture that usually indicates mental and physical discomfort.

不停地交换支撑脚——这也是表示心里不悦或身体不舒服的一个动作。

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Light at night increases mice body mass, apparently by shifting food intake to times when the animals are less active.

夜晚的灯光会让老鼠身体发胖。当这些小动物不那么活跃时，灯光明显改变了它们的进食次数，因而造成体重增长。

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[Laura Fonken et al, Light at night increases body mass by shifting the time of food intake]

[劳拉·范肯等，《夜间灯光通过改变进食时间增加体重》]

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Pilots control hang gliders by shifting their own body weight, but the investigation found the teenager weighed less than the recommended pilot weight range for the glider.

BBC: Glider crash site near Ashbourne

Increasing the weight placed over the front wheel also decreases stability, which is why it will wobble if you slam on the brakes (your body's momentum continues forward, shifting weight on to the handlebars).

ENGADGET: Engineering a better bicycle with DBC City Bike Design Alt