李四 Traditional form: 李四 Pinyin (reading): Lǐ Sì Definitions: Li Si, name for an unspecified person, second of a series of three: 張三/张三 ( Zhāng Sān), 李四, 王五 ( Wáng Wǔ) Tom, Dick and Harry Characters: 李 - plum; luggage; surname 四 - four Traditional characters: 李 - plum; luggage; surname 四 - four