and just pushing myself to the limit, you know like,

挑战自己的极限，嗯，就像，

保持身材的理由 - SpeakingMax英语口语达人

Infinity is the force when we're thinking about it and our brains, negative infinity is when we actually plug it into the equation here, and the reason is the convention that the negative sign is just telling us the direction that the force is coming together instead of pushing apart.

说力有多大时，我们想到的,是无穷大，而方程解出来的,是负无穷，这是因为习惯上,我们用负号表示力的方向,是相互吸引而不是相互排斥的,所以我们可以用库仑定律。

麻省理工公开课 - 化学原理课程节选

So I think there's just a lot of progressive thought in San Francisco, a lot of people pushing for changes.

旧金山有很多进步思想，很多人一直在推动着变化的发生。

进步的旧金山 - SpeakingMax英语口语达人

because creation is not about pushing, it's about just allowing the flow to come through you.

因为创意不是逼出来的，是让它自然流露。

艺术从自由起步 - SpeakingMax英语口语达人