...语] lasting until death; marked by great hatred; deadly 终生的; 有深仇大恨的; 不共戴天的 *mortal enemies 不共戴天的敌人 * locked in mortal combat, ie a fight that is only ended by the death of one of the fighters 进行殊死的斗争. .
For almost 50 years--from the bombing of Pearl Harbor on Dec. 7, 1941, until the fall of the Berlin Wall on Nov. 9, 1989--the U.S. was beset by mortalenemies.