1、contradiction

矛盾;不一致

the contradictions between her private life and the public persona.

她的私生活与公众形象之间的巨大反差

The performance seemed to me unpardonable, a contradiction of all that the Olympics is supposed to be.

在我看来，这次的表现是不可宽恕的，和奥运精神完全相悖。

自相矛盾的说法

A public service run for profit — a contradiction in terms if there ever was one.

以营利为目的的公共服务机构——这是典型的用词上的自相矛盾（如果真有这种说法的话）。

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。