1、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。
2、perfect
完美的;最佳的
He spoke perfect English.
他英语说得棒极了。
Hiring a nanny has turned out to be the perfect solution.
雇用保姆结果成了解决问题的最佳方法。
绝配的;十分合适的
Carpet tiles are perfect for kitchens because they're easy to take up and wash.
方块地毯非常适用于厨房,因为其便于揭起来清洗。
So this could be the perfect time to buy a home.
所以这可能是买房子的绝佳时机。