hi.jack.ing 5haI.JAk7IN n 拦路抢劫，劫持 During the two airline hijackings, American passengers were singled out and murdered. [C] 在两起劫机事件中，美国乘客被单独挑出来杀害。 Greater international cooperation is required to reduce the risk of hijacking. [U] 需要有更多的国际合作来降低劫持的危险性。