四胡

sihu (or "khuurchir" in Mongolian), a bowed instrument with four strings, primarily associated with Mongolian and Chinese culture

four / 4

surname Hu

non-Han people, esp. from central Asia / reckless / outrageous / what? / why? / to complete a winning hand at mahjong (also written 和[hu2])

see 衚衕|胡同[hu2 tong4]

beard / mustache / whiskers