Short for 国有鉄道.

ancient times, a very long time ago

to work at a job, to labour / to work properly, to operate, to function; to carry out one's function, to be effective, to come into play / to perpetrate or commit a crime

Alternative spelling of 只働き

Alternative spelling of 只働き

the past, old times / ancient

once (in the indeterminate past)

olden days; former

work; labor / achievement; ability; performance; talent / salary; earnings; income

(chiefly women's speech) first person singular pronoun: I, me