Explore expressions.

up and down

(isseichidai/isseiichidai)once in a lifetime/the first and last occurrence (event, experience) of one's lifetime

the practice of assigning one era name to one emperor

ruling the times/holding sway over the minds of the people

in a day or two/within the next couple of days

(hitorihitori/hitoribitori)one by one/one at a time/one after another/from person to person/depending on the individual/each and every person

double role/one person playing two roles/wearing two hats

being the sole master of the situation/reigning supreme; standing unchallenged

self-conceited person/ego tripper/swelled head

(ichinintousen/ichinintouzen)being a match for a thousand

fighting (tilting at) windmills/working oneself up even though there really isn't anything to fight at

performing solo (by oneself)/having the stage to oneself; being in sole command/eclipsing (outshining) the others/field of activity in which one…

once in an emperor's reign/event that takes place only once in a sovereign's reign

(ichidaibungen/ichidaibugen)new money/nouveau riche/person who has amassed substantial wealth in his lifetime

the case is closed/the matter is all settled

full particulars/the whole story/from beginning to end

what (how, where, why, who) on earth?/what (how, where, why, who) in the world?

dice gambling game/staking all on one throw/all-or-nothing gamble/risky attempt

pawnshop

cutting in two with a single stroke/taking a decisive (drastic) measure/cutting the (Gordian) knot

(not even) a bit of/(not even) a hint of/(not) an iota of; (not) the slightest

any and every thing/altogether/lock, stock, and barrel/the whole kit and caboodle/without reserve

Matter is void/All is vanity.

all living creatures

since our last meeting/since we parted

(something) having its advantages but also not without its disadvantages/advantage and its (accompanying) disadvantage

hourly/from hour to hour/moment by moment/momently; from one minute to the next/with each passing moment

very valuable time/Every moment is precious./Time is money.

(people) working together with one mind

the whole party to a plot/the whole gang/fellow conspirators

one reading (of a poem aloud) leaves one with ceaseless sighs of admiration

series of questions and answers/question-and-answer session