1、sweep
扫;掸;打扫;清扫
The owner of the store was sweeping his floor when I walked in.
当我走进商店的时候，店主正在扫地。
She was in the kitchen sweeping crumbs into a dust pan.
她正在厨房把面包屑扫入簸箕里。
拂去;掸去
I swept rainwater off the flat top of a gravestone.
我拂去了墓碑顶上的雨水。
With a gesture of frustration, she swept the cards from the table.
她懊恼地把桌子上的牌都拂到了地上。
梳,拢(头发)
stylish ways of sweeping your hair off your face.
露出脸形的时髦发式
Her long, fine hair was swept back in a ponytail.
她长长的秀发在脑后梳成一个马尾。
2、collapse
倒塌;塌下
A section of the Bay Bridge had collapsed.
海湾大桥有一段垮塌了。
The roof collapsed in a roar of rock and rubble.
屋顶轰隆一声塌了下来，碎石瓦砾落了一地。
(体系或机构)崩溃，瓦解，突然失败
His business empire collapsed under a massive burden of debt.
他的商业帝国无力承担沉重的债务负担而垮掉了。
This system has collapsed in most countries where it ruled.
这一体系在其占统治地位的大多数国家都失败了。
(因生病或虚弱)突然倒下，昏倒
He collapsed following a vigorous exercise session at his home.
在家剧烈运动了一阵后他突然昏倒了。
It's commonplace to see people collapsing from hunger in the streets.
在街上看见有人饿晕是很平常的事。