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

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

一日経: dead memorial service where many gather to transcribe a sutra in one day

一日中: all day, throughout the day, sunrise to sunset, all around the clock

intensive

ability to concentrate; strength to concentrate

work (place where one is employed), workplace

(physics) power

workbench

task; (doing a) bit of work / difficult task; hard work