knock over

基本解释

An oil heater is knock over and burst instantly into flames.
油加热器碰倒了，顿时燃起了一片大火。
http://dict.hjenglish.com
Even though we've secured the mic stand and cable, someone could still trip over the mic cable and knock over the mic. But there is a solution.
即使我们固定了麦克、麦架和线缆，但是还有人会被线缆绊住并且碰到麦克。不过还有个办法。
bbs.sun-tribe.com
And you Thought those people that set up roomfuls of dominos to knock over were amazing? There are no computer graphics or digital tricks in the film.
你不觉得那些把多米诺骨牌一样的传动设置装满整个屋子的人真的很厉害吗？

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
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

And it took quite a bit longer than 9 months to knock over Libya, although that was a low-intensity war.
FORBES: Why Russia's Economy Isn't Going To Collapse
As far as I could tell, Idan was a glowy tentacle of energy that could knock over a can of soda or even open a hatch.
FORBES: PS3's 'Beyond: Two Souls' Gives Us Gameplay, Plot, and Ellen Page