to make judgement based on the long run, rather than on the current state of affairs

幾日も幾日も: day after day

the twentieth day of the month / twenty days / Short for 二十日鼠 (hatsuka nezumi): a house mouse

a birthday

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month

regular day off (e.g. closed every Monday)

Nymphaea lotus, the white Egyptian lotus

(archaic, literary) to sleep with clothes overturned, as to meet their longed-for partner in a dream

Compounds

the sixteenth night of the month under the lunar calendar, just after the full moon