kill.er
n.(名词)
One that kills:
杀人者:
例句:
a disease that was a killer of thousands; a killer of new ideas.
杀死了千万人的疾病;杀死新思想的杀手
Slang Something that is extremely difficult to deal with or withstand:
【俚语】 鬼门关:极难对付或抗拒的东西:
例句:
an exam that was a real killer.
真正是鬼门关的考试