rashKK [ˋræʃ] /ˈɹæʃ/名詞1疹子、皮疹、紅疹She broke out in a red rash after touching the plant.她碰到那株植物後起了紅疹。2一連串、接二連三的事件後接 ofA rash of burglaries has worried people in the neighborhood.接二連三的竊案讓社區居民十分不安。形容詞1輕率的、魯莽的、草率的Don't make a rash decision when you're this angry.你這麼生氣的時候別做出輕率的決定。