大通县

Datong Hui and Tu autonomous county in Xining 西寧|西宁[Xi1 ning2], Qinghai

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

Datong district of Huainan city 淮南市[Huai2 nan2 shi4], Anhui / Datong Hui and Tu autonomous county in Xining 西寧|西宁[Xi1 ning2], Qinghai

to go through / to know well / (suffix) expert / to connect / to communicate / open / to clear / classifier for letters, telegrams, phone calls etc

classifier for an activity, taken in its entirety (tirade of abuse, stint of music playing, bout of drinking etc)

Tong county in Beijing

county