finish, elaboration, completion

中々: very, quite, considerably, rather, by no means (with negative verb)

very, quite, considerably, rather / by no means (with negative verb)

the daytime, during the day / a half day, half of a day

inside

project management

one day

all day, throughout the day, sunrise to sunset, all around the clock

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument

work done for free, unpaid work, uncompensated work / work done in vain, work with no favorable end result