Zhāng Sān
John Doe
Zhang San, name for an unspecified person, first of a series of three: 張三|张三, 李四[Li3 Si4], 王五[Wang2 Wu3] Tom, Dick and Harry
Zhāng sān Lǐ sì
Zhang and Li (idiom); Zhang with tight trousers and Li with wide hat
Tom, Dick and Harry
Zhāng sān , Lǐ sì , Wáng wǔ , Zhào liù
four proverbial names
Tom, Dick and Harry