n. 〔关系的〕破裂；〔体系的〕崩溃，失败

n.  精神崩溃

n. 〔汽车或机器的〕故障

• marriage/marital/family breakdown 

  婚姻/家庭破裂

• a breakdown in communications  通信中断

• the breakdown of law and order 

  治安陷入瘫痪

• There were no petrol pumps and few garages, so every driver had to be his own engineer for the frequent breakdowns.

  经常出现的各种故障

• The combined effects of those trends and the political tensions they generate point to the breakdown of governments and societies. 政府和社会即将瓦解

• A sudden rise in oil prices could lead to a breakdown of the economy.

  油价暴涨会导致经济崩溃。

• I was worried he might have a breakdown if he carried on working so hard.

  我担心他这样辛苦地做下去，精神会崩溃的。