<正>1.rain cats and dogs(下倾盆大雨)【典故】源于北欧神话。神话中说猫对天气又很大影响,英国水手至今还流传着"猫尾藏大风"的说法。据说驾风暴的巫师化为猫形,狗和狼都是暴风雨神奥丁的随从。在德国古画中猫被当做暴风雨的象征,狗是伴随暴雨的强风。现在人们用rain cats and dogs表示下倾盆大雨。【例句】We’d better not go out now,because it was raining cats and dogs.