One is inertial mass, which is how much you hate your velocity to change, how hard you resist acceleration.

一个是惯性质量,它反映了物体速度改变的难易程度,即保持加速度的难易程度

耶鲁公开课 - 基础物理课程节选

Why should the amount by which you're attracted to the Earth be also a measure of how much you hate acceleration?

为什么物体受地球引力的大小,恰好能衡量物体加速的难易程度呢

耶鲁公开课 - 基础物理课程节选

What did you learn about how easy or hard it is to keep track of what food intake is?

你从记录食物摄入过程中,学到了什么,记录饮食是难是易

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Mass of an object is how much it hates to accelerate in response to a force.

物体的质量,反映了物体在力的作用下加速的难易程度

耶鲁公开课 - 基础物理课程节选

And I do that very precisely because it'll teach you a little bit about how easy or difficult it is to do it and what kind of information you retrieve from a dietary assessment.

我这样要求是因为,这能教给你,做评估的难易程度,以及你们能从饮食评估中得到何种信息

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选