Peek-a-boo (lower back): Lie face down on the floor using your outstretched arms to support baby in front of you.

躲猫猫（锻炼后腰）：脸朝下，用你伸展的胳膊支撑住你前面的婴儿。

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"First,to put down the southern rebellion by force of arms.

VOA: special.2009.10.29

Glancing down at my arms, I don't see any arms.

朝双臂看去,却是空空如也

耶鲁公开课 - 死亡课程节选

Not only should one seek peace but we have an obligation, he says, to lay down our arms, to lay down our right to all things on the condition that others around us are prepared to do so as well.

我们不仅是应该寻求和平,还有义务来放下自己的武器，在周围的人准备同样作的情况之下,放弃我们对一切事物的权利。

耶鲁公开课 - 政治哲学导论课程节选

So people, please- at a wedding ceremony, keep your arms down and if you must snap your own pictures, do it discreetly.

FORBES: Horrible Wedding Guests + Technology = Nasty Nuptials

One of the things I emphasized to President Karzai, however, is, is that the incentives for the Taliban to lay down arms, or at least portions of the Taliban to lay down arms, and make peace with the Afghan government in part depends on our effectiveness in breaking their momentum militarily.

WHITEHOUSE: President Obama and President Karzai Press Availability

And that is why we support an Afghan-led process of reconciliation with very clear conditions -- that any Taliban member who wants to lay down his arms, or her arms -- lay down his arms, primarily -- make clear that they support the Afghan constitution, the rights of women and minorities, and renounce any affiliation or support for al Qaeda, then they are obviously welcome in the reconciliation process.

WHITEHOUSE: Press Briefing