胡

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

surname Gu

ancient / old / paleo-

moon / month / monthly / CL:個|个[ge4],輪|轮[lun2]

a bunch of nonsense

first Manchu invasion of Korea (1627)

second Manchu invasion of Korea (1636)

erhu (Chinese 2-string fiddle) / alto fiddle / CL:把[ba3]

Five non-Han people, namely: Huns or Xiongnu 匈奴[Xiong1 nu2], Xianbei 鮮卑|鲜卑[Xian1 bei1], Jie 羯[Jie2], Di 氐[Di1], Qiang 羌[Qiang1], esp. in connection with the Sixteen Kingdoms 304-439 五胡十六國|五胡十六国[Wu3 hu2 Shi2 liu4 guo2]

Sixteen Kingdoms of Five non-Han people (ruling most of China 304-439)

jing'erhu, a two-stringed fiddle intermediate in size and pitch between the jinghu 京胡 and erhu 二胡, used to accompany Chinese opera / also called 京胡

jinghu, a smaller, higher-pitched erhu 二胡 (two-stringed fiddle) used to accompany Chinese opera / also called 京二胡

where will it stop?

to speak without thinking / to blurt sth out

Eastern barbarian / ancient ethnic group of northeast frontier of China