STRUCTURE 结构, [I] if a building, wall etc collapses, it falls down suddenly, usually because it is weak or damaged

倒坍; 塌下:

Uncle Ted's chair collapsed under his weight.

泰德叔叔把他的椅子坐塌了。

The roof had collapsed long ago.

屋顶早就塌了。

ILLNESS / INJURY 病/伤, to suddenly fall down or become unconscious because you are ill or weak

〔因病或虚弱〕突然倒下（昏倒）:

He collapsed with a heart attack while he was dancing.

他跳舞时因心脏病突发而倒下了。

Marion's legs collapsed under her.

玛丽昂双腿发软倒了下去。

FAIL 失败, [I] if a system, idea, or organization collapses, it suddenly fails or becomes too weak to continue

〔系统、观点、组织〕突然失败，垮掉，崩溃，瓦解:

The luxury car market has collapsed.

豪华汽车市场瘫痪了。

I thought that without me the whole project would collapse.

我想没有我的话，整个项目就会失败。

PRICES 价格, [I] if prices, levels, etc collapse, they suddenly become much lower

〔价格等〕暴跌，大跌:

There were fears that property prices would collapse.

人们担心房地产价格会暴跌。

SIT / LIE 坐/躺, [I] to suddenly sit down, especially because you are very tired or want to relax

〔尤指因精疲力竭或想放松而〕瘫坐:

was so exhausted when I got home, I just collapsed on the sofa.

我到家时已经筋疲力尽，一屁股瘫坐在沙发上。

FOLD STH SMALLER 把某物折小, [I,T] if a piece of furniture or equipment collapses, or if you collapse it, you can fold it so that it becomes smaller

〔家具、仪器等〕可以折叠;（将…）套缩起来:

The legs on our card table collapse so we can store it in the closet.

我们的牌桌桌腿可以折叠起来，所以能放进壁橱里。

MEDICAL 医疗的, [I] if a lung or a BLOOD VESSEL collapses, it suddenly becomes flat, so that it no longer has any air or blood in it

〔肺或血管〕萎陷

BUSINESS / SYSTEM / IDEA ETC 业务/系统/想法等, [sing., U] a sudden failure in the way something works, so that it cannot continue

突然失败; 突然瓦解:

the collapse of the Soviet Union

苏联的突然解体

the threat of economic collapse

经济瘫痪的威胁

His business was in danger of collapse .

他的公司有倒闭的危险。

BUILDING / STRUCTURE / FURNITURE ETC 建筑物/结构/家具等, [U] when something suddenly falls down

突然坍塌:

the collapse of an apartment building during the earthquake

地震时一幢公寓的倒塌

The ancient abbey was in imminent danger of collapse.

这座古老的修道院正面临倒塌的危险。

ILLNESS / INJURY 病/伤, [sing., U] when someone suddenly falls down or becomes unconscious because of an illness or injury

〔因疾病或受伤而导致的突然的〕昏倒，昏迷:

The president said he was fine after his collapse yesterday.

总统昨天昏倒了，后来他说没事。

She suffered a collapse under anaesthetic.

她被麻醉后昏迷不醒。

MONEY / PRICES ETC 钱/价格等, [sing.] a sudden decrease in the value of something

〔某物价值的〕突然贬值，暴跌:

the collapse of the stock market

股票市场的暴跌

a collapse in the value of pensions

养老金实际价值的大幅度贬值