Lǐ Sì
Li Si, name for an unspecified person, second of a series of three: 張三|张三[Zhang1 San1], 李四, 王五[Wang2 Wu3] Tom, Dick and Harry
Lǐ Sì guāng
Li Siguang (1889-1971), Mongol-born, Japanese trained geologist, prominent in early PRC oil exploration
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