Generally people dislike the unlucky 13 and 5, and like 3 and 7, considering them to be lucky.

人们普遍忌讳“13”和“5”这两个数字，认为它们是不吉利的。

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'as far as I can tell, some number had to be unlucky, and it was 13,' Dr. Dudley says.

达德利博士说，据我所知，必须有某个数字是不吉利的，而这个数字就是13。

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A superstition is an irrational idea, like believing that the number 13 is unlucky!

迷信是一种不合常理的想法，比如认为13是不吉利的数字！

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As we know, 13 is an unlucky number in North America and Europe, but the 14 was also avoided because the number four "sounds like an unlucky word" in Japanese.

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In staying with the analogy of fortune, for New Labour, their total years in power, 13, proved to be unlucky.

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Traditionally the number 13 is frowned upon as being unlucky, but today Google has all the luck.

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