Do jumping jacks. Try a few sets right in your room.

可以做分腿跳。在你的房间做上几组。

Read a question sitting down, then stand and do ten jumping jacks.

坐下来读题目，然后站起来跳十次。

She said I could do that by doing sit-ups and jumping jacks for two weeks.

她说我要是能把仰卧起坐和开合跳坚持两周她就相信我。

Of course, you can do jumping jacks, crunches and other simple exercises without any equipment at all.

当然，你也可以做杰克跳、仰卧起坐等不需要任何器材的简单锻炼。

Jump. Read a question sitting down, then stand and do ten jumping jacks. Sit back down and answer the question.

跳起来。坐下来读题目，然后站起来跳十次。坐回去继续回答问题。

The Residence team, clad in red clothing and face paint, excitedly formed a ring and broke into synchronized jumping jacks.

住宿部联队，穿着红色衣服，涂着红色油彩，环绕成一个兴奋的大圈圈，闯入了整齐跳跃着的伙计们之中。

If you can, retreat to a place where you can blow off some steam by doing a few jumping jacks, sit-ups, push-ups or stair sprints.

如果可以的话，去一个人少的地方，在那里你可以通过几个开合跳，仰卧起坐，俯卧撑，跳台阶来宣泄压力。

A cold body is a tight body. Hike, jog, do jumping jacks, windmills - anything to break a light sweat, get the metabolism cranking and the blood flowing.

身体冷的时候是僵硬的，走路、跑步、跳娃娃、大臂绕环任何运动，流一些汗，促进新陈代谢及让血液流动。

Each craving usually lasts just a few minutes. When you have the urge to smoke, take some deep breaths and then drink a glass of water, or do some jumping jacks.

记住，渴望是一种正常现象，每一次渴望通常都要持续几分钟，当你想吸烟的时候，做几个深呼吸，过一会在喝一杯水，或做跳跃运动。

Be comfortable, loosen up. I always do jumping-jacks before I… I shoot my videos. Good.

不要拘束，放松点。我一般先做几次杰克跳，然后再开始录视频。很好。