博古通今

conversant with things past and present / erudite and informed

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)

now / the present time / current / contemporary / this (day, year etc)

surname Gu

ancient / old / paleo-

extensive / ample / rich / obtain / aim / to win / to get / plentiful / to gamble

old variant of 博[bo2]

Bo Gu (1907-1946), Soviet-trained Chinese Communist, journalist and propagandist, 1930s Left adventurist, subsequently rehabilitated, killed in air crash