“吉祥的”的英语？

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.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 which hammered ominously under the car.绿色的玉制成的蝉,吉祥的象征.The cicada made by green ja...