Look out that she does not fall over the rocks!(当心别让她从岩石上掉下去！)
That wall leans so much that it might fall over.(那堵墙倾斜得很厉害，可能会倒。)
All of which seems to have led to a bottoming out of Mr Sarkozy's approval ratings, which had been in free fall over the past two years.(所有这些看起来似乎都能使得萨科齐在过去两年中一直自由落体的支持率走出谷底。)
They "will take some time to fall over, but they are dead," says the professor emeritus.(他们“虽然还要一些时间倒下，但已经死了”，这位退休教授表示。)
Mountains rise and fall over tens of millions of years; oceans open and close at rates even slower than that.(山脉起起落落需要数千万年；而海洋出现与消失的速度甚至远比山脉起落要缓慢。)
The grandfather has told me to look out for you, and you must not fall over the rocks.(爷爷让我看着你，你千万不要从岩石上掉下去。)
I had no idea that when I stood, the desk would fall over and hurt her leg.(我不知道当我站起来的时候，桌子会翻掉，伤了她的腿。)
What we did is we measured The Times for these ball bearings to fall over a distance of four centimeters.(我们测量了，这些滚珠下降，4cm所用的时间。)
Their legs lock in place so they don't fall over.(它们的腿固定在原地，这样它们就不会摔倒。)
They might bump into things or fall over objects.(他们可能撞到物体上或跌倒。)
