在身体两侧端起手臂，呼气将上身转向右边，吸气收回再转向左边。

With arms bent by your side, exhale and rotate your torso to the right. Inhale back to the center and twist to the left.

youdao

交叉手臂——让你显得自我防御，尤其是在回答问题的时候。尽量保持你的双臂在身体的两侧。

Crossing your arms - makes you look defensive, especially when you're answering questions. Try to keep your arms at your sides.

youdao

士兵睡姿就是仰躺，手臂放在身体两侧的睡姿。

Lying on your back with both arms pinned to your sides.

youdao