to make a comeback after a period of failure or retirement; literally to return to office after living as a hermit on Mount Dongshan.

Dongshan district (Uighur: Dungsen Rayoni) of [[乌鲁木齐|烏魯木齊|wu1 lu3 mu4 qi2]] in Xinjiang or [[鹤岗|鶴崗|he4 gang3]] in Heilongjiang

Dongshan, a county in Fujian province administered by [[漳州市|漳州市|zhang1 zhou1 shi4]]

to stage a comeback; to return to a position of power or influence after a period of retirement or failure

the Japanese tit (Parus minor), a bird species found in China and East Asia