划时代

epoch-marking

to row / to paddle / profitable / worth (the effort) / it pays (to do sth)

to cut / to slash / to scratch (cut into the surface of sth) / to strike (a match)

to delimit / to transfer / to assign / to plan / to draw (a line) / stroke of a Chinese character

old variant of 時|时[shi2]

o'clock / time / when / hour / season / period

Time, US weekly news magazine

age / era / epoch / period (in one's life) / CL:個|个[ge4]

to substitute / to act on behalf of others / to replace / generation / dynasty / age / period / (historical) era / (geological) eon