[] to lose value or fail suddenly and quickly（突然）贬值，暴跌，倒闭◆Share prices crashed to an all-time low yesterday.昨日股价暴跌至前所未有的最低纪录。◆The business crashed with debts of €80 million.这家企业因负债 8000 万欧元而倒闭。 () [] (about a computer or software) to suddenly stop or be stopped from working because there is a fault（指计算机或软件）当机，系统故障◆The virus crashed our computer network.病毒导致我们的计算机网络故障。◆The system keeps crashing.系统一直有故障。●ˌcrash and ˈburn () to fail in a dramatic way彻底失败◆Why do some teams fly and other crash and burn?为什么有些队成功而另一些则彻底失败？