fall
v. 落下；跌倒；下垂；跪下；（地面）向下傾斜；（數量等的）減少
n. 落下；跌倒；（雪、巖石等的）降落
例句：
He was terrified (that) he would fall.
他很害怕會(huì )跌倒。
She broke her right leg in a bad fall.
她在一次嚴重的跌倒中右腿骨折了。