相信数字13是个不吉祥的数字是荒唐可笑的.It is ridiculously absurd to believe that the number 13 is unlucky.认为黑猫不吉祥是一种很普遍的迷信.It's a common superstition that black cats are unlucky.车轮搅起的石块,在车身下发出不吉祥的锤击声.The wheels scooped up stones whic...