時がどんどんたってゆく。

時がどんどんたってゆく。

Time is going by very quickly.

時(とき)がどんどんたってゆく。

Toki ga dondon tatteyuku.

時 (とき)

time; hour; moment; occasion; case; chance; opportunity; season; the times; the age; the day; tense

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

どんどん (どんどん)

drumming (noise); rapidly; steadily

起つ (たつ)

to rise up; to initiate (political) action

Readings: ジ、とき、 -どき

Meanings: time, hour