1、collapse

倒塌;塌下

A section of the Bay Bridge had collapsed.

海灣大橋有一段垮塌了。

The roof collapsed in a roar of rock and rubble.

屋頂轟隆一聲塌了下來，碎石瓦礫落了一地。

(體系或機構)崩潰，瓦解，突然失敗

His business empire collapsed under a massive burden of debt.

他的商業帝國無力承擔沉重的債務負擔而垮掉了。

This system has collapsed in most countries where it ruled.

這一體系在其占統治地位的大多數國家都失敗了。

(因生病或虛弱)突然倒下，昏倒

He collapsed following a vigorous exercise session at his home.

在家劇烈運動了一陣后他突然昏倒了。

It's commonplace to see people collapsing from hunger in the streets.

在街上看見有人餓暈是很平常的事。

2、perfect

完美的；最佳的

He spoke perfect English.

他英語說得棒極了。

Hiring a nanny has turned out to be the perfect solution.

雇用保姆結果成了解決問題的最佳方法。

絕配的；十分合適的

Carpet tiles are perfect for kitchens because they're easy to take up and wash.

方塊地毯非常適用于廚房，因為其便于揭起來清洗。

So this could be the perfect time to buy a home.

所以這可能是買房子的絕佳時機。