1·Palmer immediately accuses Jack of wanting him dead because of a failed mission in Kosovo called Operation Nightfall.
帕默立即指责杰克，因为一次在科索沃进行的“黄昏行动”的失败而想致他于死地。
2·The moon lurks low in your southwest sky, and sets about one hour after nightfall.
这轮新月低隐于西南方天空中，再黄昏后一小时左右落下。
3·These guards' primary duty is to warn people not to stay in the Necropolis after nightfall and to watch for grave robbers.
这些护卫的主要任务便是警告那些在黄昏后仍在墓地众逗留的家伙和保护墓地免受盗墓者的骚扰。
4·The two fleets pounded away at each other until nightfall .
两支舰队互相猛烈开火，直至黄昏。
5·The period of light between dawn and nightfall; the interval from sunrise to sunset.
白天，白昼：黎明和黄昏之间有光的一段时间；从日出到日落的间隔。