expire /iksˈpaiə/ vi. 1.期满，(期限)终止：［考句］Mike just discovered that his passport had   expired three months ago.迈克发现他的护照三个月前就已到期。2.断气，死亡：an expiring patient 奄奄一息的病人 He expired at midnight. 他午夜死去。

［辨析］与die, pass away和perish辨见die