後

backward compatibility; downward compatibility

extremely important or once in a lifetime request

Proverb

hindsight is 20-20 (even for a fool); an afterwit is everybody's wit

rear basket (e.g. on a bicycle)

least developed among developing nations

back to back

last in, first out; LIFO

Idiomatic expression

between the devil and the deep sea; out of the frying pan into the fire; a tiger at the back gate, a wolf at the front gate

Idiomatic expression

between the devil and the deep sea; out of the frying pan into the fire; a tiger at the front gate, a wolf at the back gate

three days from today

four days from today

Proverb

you will appreciate your parents' advice as you grow older, just as it takes time to feel the effects of unwarmed sake

Proverb

it is better to try and fail than never to try at all

Proverb; From Sun Tzu's Art of War

hide your true strength, and then later swiftly attack the unprepared enemy; first be like a (meek) virgin, later like a running hare

Idiomatic expression

to make (someone) wait; to take more time (than anticipated)

convalescence after childbirth; recovering after giving birth

Computing

backspace character; BS

rear area security

last train

retroversion of the uterus; tipped uterus

Proverb

duty ends only in death

four days from now (five days in some places)

Sumo

rematch due to overlong (over 10 min) bout

pretending to obey someone to his face but badmouthing him behind his back

clothing with the opening at the back