might-have-beenBrE /ˈmaɪt həv biːn/ 🔊, /ˈmaɪt həv bɪn/ 🔊NAmE /ˈmaɪt həv bɪn/ 🔊 noun [usually plural] (informal) an event or situation that could have happened or that you wish had happened, but which did not 本来可能发生的事；未遂心愿的事