bat an eye片語KK [bæt æn aɪ] /bæt æn aɪ/發音片語1不動聲色、面不改色、毫不驚訝多用於否定句She heard the shocking news and didn't bat an eye.她聽到這個驚人的消息,卻面不改色。2毫不猶豫、毫不在乎多用於否定句He paid the huge bill without batting an eye.他付那筆巨額帳單時毫不猶豫。