摔倒的英文：
fall down
tumble

参考例句：

He tumbled me over backwards.
他把我向后摔倒。

Force(sb)to the ground by wrestling
将(某人)摔倒在地上

Fall against the apparatus
摔倒碰器械

I almost fall down.
我几乎摔倒。

He wrestled his opponent to the floor/ground.
他把对手摔倒在地上.

He flung off his antagonist thrice
他把对手摔倒三次。

an accidental misstep threatening (or causing) a fall.
会导致摔倒的意外失足。

He skinned his knee when he fell.
他摔倒擦伤了膝盖。

I lost my banlance and fell backwards.
我没有站稳，仰面摔倒。

You are likely to fall the first time you go skiing.
你第一次滑雪可能会摔倒。

fall是什么意思：
v. 落下；倒塌；摔倒；下降；减弱；阵亡
n. 摔倒；下降；秋天；垮台；陷落；瀑布
adj. 秋天的

Sleet is falling.
天上下起了冰雹。

fall into disfavour
失宠失众望

We observed the barometer fall. [The barometer was observed to fall.]
我们看见晴雨表下降。

down是什么意思：
prep. 在…下，沿着
v. 下降，打倒
n. 潦倒；羽绒；丘陵

Down with hegemonism!
打倒霸权主义！

The sun is down.
太阳下山了。

Close down autos and you close down steel and rubber.
关掉了汽车工业你也就关掉了钢铁工业和橡胶工业。

tumble是什么意思：
n. 跌倒，摔跤，翻筋斗
v. 翻倒，摔倒；翻筋斗；仓促地行动；使摔倒；暴跌

Toddlers keep tumbling over.
学步的儿童老是摔跤。

He tumbled into the meeting room.
他莽莽撞撞地走进了会议室。

The breakers came tumbling onto the shore.
浪涛滚滚而来拍打著岸边。