四

四 as a Numeral, which means “four; 4”.

Culture meaning: 四 is a number that should be avoided. Because the pronunciation of 四 is similar to "死 death", people deliberately avoid this number, such as an address, ID number, telephone number, license plate number, door number, and so on.

Tongue twister: 四是四，十是十，十四是十四，四十是四十。