Lunatic
例子
The townsfolk avoided the old mansion, fearing the lunatic that resided within.
镇上的人避开了那座老宅,害怕住在里面的疯子。
His actions were so erratic that some believed he might be a lunatic.
他的行为如此不稳定,以至于有些人认为他可能是个疯子。
02
疯子, 狂人
a person who acts foolishly or dangerously



























