His arms swing as he walks.

他走路的时候摆动手臂。

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Pay attention to how your arms swing and how your body feels as you walk.

留意双臂摇摆的方式以及在步行的过程中身体的感觉。

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Let your arms swing naturally at your sides, your hands relaxed at the end of your wrists.

双手放松，让你的胳膊在身体两侧自然地摆动。

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Athletes often swing their arms and warm up before a game.

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Led by a video projected on to a whiteboard nine children, a mix of Latinos and African-Americans, walk or jump on the spot, swing their arms, stretch and reach in an exercise class that lasts around 15 minutes.

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He had long arms and big hands he could swing like a hammer.

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