[countable, uncountable] a sudden failure of sth, such as an institution, a business or a course of action（机构、企业、行动等的）崩溃，突然失败，倒闭◆the collapse of two important companies两家重要公司的倒闭◆This breakdown in trust led to the collapse of the deal.信任崩溃导致交易失败。◆a wave of corporate collapses企业倒闭浪潮a sudden fall in value突然贬值；突然降价；暴跌◆the collapse in technology prices技术价格的暴跌◆the collapse of the Nasdaq index纳斯达克指数狂跌◆share price collapses股票价格暴跌