释义：挂在…之上，悬浮在…之上；威胁，即将降临[发生]；搭； 英英释义： hang over [ 'hæŋ,əuvə(r) ]n.disagreeable aftereffects from the use of drugs (especially alcohol)同义词：hangoverkatzenjammeran official who remains in office after his term同义词：holdoverhangoversomething that has survived f