It's dangerous to want to get away from earth awhile, to get your feet entirely off the ground.

想要逃离地面一会，让自己的双脚同时离开地面很危险。

耶鲁公开课 - 现代诗歌课程节选

But that was something I think they were just assuming in the study to get it off the ground.

但我想这只是他们为了顺利展开研究,而铺垫的假设而已

耶鲁公开课 - 心理学导论课程节选

So you get two answers when it hits the ground.

解出了两个落地时间

耶鲁公开课 - 基础物理课程节选

So the question can't even get off the ground.

因此这个问题根本是无稽之谈

耶鲁公开课 - 死亡课程节选

Take a stick, bang it into the ground, hang on that stick a captured helmet, - by the way please get up, thank you - a captured helmet, or a captured corselet, something that represents the military equipment that the losers had that were left on the field.

拿根棍子,插进地里,挂上一个缴获的头盔,-哦,快起来吧,谢谢你-,缴获的头盔,或者是缴获的胸甲,一些本归战败方所有,却被他们丢弃在战场上的军用装备

耶鲁公开课 - 古希腊历史简介课程节选