A loud knock awaken the old man.

VOA: special.2009.02.28

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

耶鲁公开课 - 金融市场课程节选

So if you want to taste something good, just knock at the door.

所以如果你想要品尝美味，就都试看吧。

关于肉品市场区 - SpeakingMax英语口语达人

This is the time of year when we see usually an effort by the insurgents to knock us of course and to try and attack the coalition and indeed the government of Afghanistan.

VOA: standard.2010.05.19

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

This was no Saint Francis with enough time to knock out a few canticles or to preach to the birds or do any of the other endearing things so close to Franny Glass's heart.

圣人弗朗西斯没有足够的时间去,来唱颂歌或者向鸟儿告解或者做任何,其他讨喜的事情，正合弗兰尼的心意。

耶鲁公开课 - 1945年后的美国小说课程节选

If I can't, I want to knock him back, because what I really need to do is to get him out of the way.

如果杀不了,我就要把他击退,因为我真正的目的是把他从这条线路上推开

耶鲁公开课 - 古希腊历史简介课程节选

And woops-- I knock over the tower.

可是我居然打翻了这座积木塔。

耶鲁公开课 - 死亡课程节选

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

耶鲁公开课 - 古希腊历史简介课程节选