The instructor made him shake his head, swing his arms, stretch his neck and bend his knees.

教练让他摇头，摆动手臂，伸展脖子，弯曲膝盖。

youdao

Drop your arms and shake them out. Then re-position them at a 90-degree Angle.

放低你的双臂，并用力摆动双臂，然后令你的双臂成90度角。

youdao

Raise your arms, jump up, sit down, turn around, and shake your body.

举起胳膊，跳起来，坐下，转圈，晃动身体。

youdao

"When I found out what these gases were, every hair on my arms stood up and I began to shake, " he says.

FORBES: Magazine Article