And my center of gravity is a little bit lower." "I feel like sometimes it is a little more difficult to knock me down.

VOA: standard.2010.02.09

So, the bowlers do their bowling and sometimes they knock down all the pins, which is called a what? A strike.

投球手投球时,有时他们撞到了所有障碍物，这叫什么呢，全打。

耶鲁公开课 - 心理学导论课程节选

to make sure that they didn't knock it down.

以确保它不被拆毁。

中央车站的历史 - SpeakingMax英语口语达人

So, they knock down all the pins but what they don't do, is they don't smile after they knock down the pins.

所以，他们撞到了所有障碍物，但他们没有做什么，他们撞到后没有微笑。

耶鲁公开课 - 心理学导论课程节选

The word in Greek is othismos, and if that was successful as it might be, it could knock down the lines of the front guys and get the other side running.

用希腊语来讲就是"othismos",如果这样的推搡战术成功,就能击溃方阵的前排,使敌方溃不成军

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It's the problem that sometimes people knock over an oil lamp in their home and they burn their own house down.

有时候会出现这种问题,一个人把自己家里的油灯弄翻了,然后把自己的房子点着了

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