一騎当千[ikkitousen] being a match for a thousand
一刻千金[ikkokusenkin] every moment is precious
一字千金[ichijisenkin] word of great value
一千[issen] 1,000
一望千里[ichibousenri] sweeping view of the eye

一瀉千里[isshasenri] one swift effort
引き千切る[hikichigiru] to tear off
何千[nanzen] many thousands
海千山千[umisenyamasen] sly old dog
幾千[ikusen] thousands

御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
また明日[mataashita] see you tomorrow
旭日[kyokujitsu] rising sun
旭日昇天[kyokujitsushouten] full of vigor and vitality (like the rising sun) (vigour)
或日[aruhi] one day (e.g. "one day while studying, ..")

一日の長[ichijitsunochou] superiority
一日一日[ichinichiichinichi] gradually
一日一夜[ichinichiichiya] all day and night
一日増しに[ichinichimashini] day by day
一日置き[ichinichioki] every other day

哀楽[airaku] grief and pleasure
愛楽[aigyou] seeking after (Buddhist teachings, etc.)
安楽[anraku] ease
安楽死[anrakushi] euthanasia
悦楽[etsuraku] enjoyment

音楽[ongaku] music
音楽の素質[ongakunososhitsu] aptitude for music
音楽会[ongakukai] concert
音楽史[ongakushi] music history
音楽大学[ongakudaigaku] College of Music

今秋[konshuu] this (next, last) autumn (fall)
三尺の秋水[sanjakunoshuusui] sharpened sword
三秋[sanshuu] three autumn months
三秋の思い[sanshuunoomoi] longing for loved ones

秋の色[akinoiro] autumnal tints
秋雨[akisame] autumn rain
秋気[shuuki] autumn air
秋口[akiguchi] beginning of autumn