1530s, "frothing, covered with barm;" see barm + -y (2). Figurative sense of "excited, flighty, bubbling with excitement" is from c. 1600. Meaning "foolish" (1892) is probably an alteration of balmy.
例文
1. This policy is absolutely barmy .
この政策は愚か極まりない。/
2.Bill used to say I was barmy ,and that would really get to me.
ビルは昔私のことを馬鹿だと言っていたが、この話は確かに私を傷つけた。
3.The winds of Pandemonium 'll a body barmy if he stays too long.
群魔殿に一人で残るのは耐えすぎるとしたら、それは?の風が彼を喪うことになる。
4.The kid must be barmy on the crumpet ; he 's brought us soy sauce for wine.