nickname

绰号是很普遍的，它代表了人与人之间良好的关系。比如：在我家，我父母给我起了个绰号，之后他们一直是喊我的绰号。

American cities have many nickenames, such as Chicago is the windy city and Los Angeles is the city of angels. The biggest city New York is famous for the nickname of The Big Apple.