一昨々年

さきおととし さおととし さいととし いっさくさくねん

two years before last (year), three years back (ago)

一昨々夜

いっさくさくや いちさく々よる

two nights before last

草々不一

そうそうふいつ

Sincerely yours (with the nuance of "please excuse the brevity of this letter")

一昨々月

いっさくさくげつ

three months ago

々

のま くりかえし

repetition of kanji (sometimes voiced)

優々閑々

ゆうゆうかんかん

composed and unhurried, easygoing and leisurely, in indolence

朝々暮々

ちょうちょうぼぼ

every morning and evening

磊々落々

らいらいらくらく

openhearted, unaffected, free and easy

生々世々

しょうじょうせぜ

eternity, forever, through all eternity

孜々営々

ししえいえい

assiduously, with unremitting zeal

喧々囂々

けんけんごうごう

wild uproar, pandemonium, clamor of voices, tumult

個々別々

ここべつべつ

each one separately

戦々慄々

せんせんりつりつ

trembling with fear, filled with trepidation

時々刻々

じじこっこく じじこくこく

hourly, from one minute to the next, from hour to hour, moment by moment, with each passing moment

虚々実々

きょきょじつじつ

full of wiles and tricks, match between persons equal in shrewdness mobilizing all the tricks each can muster, shrewdly avoiding the opponent's strong points and attacking its weaknesses

種々様々

しゅじゅさまざま

a great variety of, all sorts or kinds of, multifarious

戦々恐々

せんせんきょうきょう

trembling with fear, filled with trepidation

津々浦々

つつうらうら

all over the country; throughout the land; every nook and cranny of the land; far and wide; (in) every port and harbor

洒々落々

しゃしゃらくらく

free and easy, frank, easy, and openhearted, sophisticatedly refined