collapse

collapse
verb
[no obj.]

(of a structure) fall down or in; give way
（建筑）倒塌；塌陷
the roof collapsed on top of me.
屋顶就在我头上塌了下来。
■[with obj.]cause (something) to fall in or give way
使倒塌；使塌陷
it feels as if the slightest pressure would collapse it.
它给人以一种轻轻一碰就会倒塌的感觉。
many people tend to collapse the distinction between the two concepts.
许多人倾向于消除这两种观念之间的差别。
■(of a lung or blood vessel) fall inwards and become flat and empty
（肺，血管）萎陷
[as adj. collapsed]a collapsed lung.
一叶已萎陷的肺。
■[with obj.]cause (a lung or blood vessel) to do this
使（肺，血管）萎陷
■fold or be foldable into a small space
折叠（起来）
[no obj.]some cots collapse down to fit into a holdall.
有些帆布床可以折叠起来，放进袋子或轻便旅行袋里。
(of a person) fall down and become unconscious, typically through illness or injury
（尤指因生病或受伤而）昏倒
he collapsed from loss of blood.
他因失血而昏倒。
■(informal)sit or lie down as a result of tiredness or prolonged exertion
(非正式)（因疲劳或长时间劳累而）霍地坐下（或躺下）
exhausted, he collapsed on the bed.
他精疲力竭地倒在床上。
(of an institution or undertaking) fail suddenly and completely
（机构、事业或行动）突然失败；崩溃；倒闭
in the face of such resolve his opposition finally collapsed .
面对如此坚定的决心，他无力对抗，终于败北。
■(of a price or currency) drop suddenly in value
（价格）突然下跌；（货币）突然贬值

noun

an instance of a structure falling down or in
倒塌；塌陷
the collapse of a railway bridge.
一座铁路桥梁的倒塌。
[mass noun]the church roof is in danger of collapse.
这座教堂的屋顶有倒塌的危险。
■a sudden failure of an institution or undertaking
突然倒闭；崩溃；瓦解
the collapse of modern society .
现代社会的崩溃。
■a physical or mental breakdown
（身体或精神上的）崩溃；垮掉
he suffered a collapse from overwork.
他因过度操劳而病倒。
[mass noun]she's lying there in a state of collapse.
她躺在那儿，处于崩溃状态。

语源

early 17th cent. (as collapsed): from medical Latin collapsus, past participle of collabi, from col- 'together' + labi 'to slip'

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