The famous Chinese tetraphobiagot its name from the harmless number 4: the inhabitants of the country are sure that the four brings misfortune. In Chinese, “four” sounds almost the same as the word for “death,” which is why many houses don't have fourth floors, airplanes and movie theaters don't have fourth rows and seats, and phone numbers with fours are cheaper than others. But there are also regional features: in the dialect of Guangdong, this figure is consonant with the word “water” and is considered a symbol of wealth.
At the same time, the doubled four is a lucky number: the sound of “eight” resembles the word “prosperity”. In Chinese stores, prices often end in 8, and the Beijing Olympics started at 8:08 PM on 8/8/2008.