lit. once married for the first night, there are 100 days of gratitude, meaning one must treasure their partner

one night of casual (sexual) relationship

Three days and two nights

night soil, is the euphemism for human feces collected at night from cesspools or privies

Go out at night

eating a cucumber in midnight, which means not knowing where is the start and end

to be a night watch

Night comes; in the night

human excrement

glow-in-the-dark watch; luminous watch

yelling (a loanword); second hand goods

noun; Flea market, bargains, auction goods, secondary goods market

night school

night job

Night fight / battle; to go out at night, to go clubbing at night

Luminescent pearls

(noun) night time; at night

night shift

Night Patrolling God in legendary superstition. Metaphor for people loitering outside late at night

litura

Night-blindness

At night; during the night

Night trains / bus / bike

night-owl (slang)

delays may bring more unexpected changes or troubles (idiom)

noun; night stool; night soil

a night owl (a person who often stay up until very late at night)

deep into the night (spoken)

Arabian Nights; unrealistic ideals

double whammy; a series of unfortunate events occur one after each other