ちょっと一杯[chottoippai] let's have a quick drink
ばつ一[batsuichi] being once divorced
一向[hitaburu] nothing but
サラダ一皿[saradahitosara] plate of salad

安全第一[anzendaiichi] safety first
一か八か[ichikabachika] sink or swim
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一つ一つ[hitotsuhitotsu] one-by-one

一刻[ikkoku] minute
一刻も早く[ikkokumohayaku] immediately
一刻千金[ikkokusenkin] every moment is precious
印刻[inkoku] seal engraving

印刻師[inkokushi] seal engraver
夏時刻[natsujikoku] daylight-saving time
午刻[gokoku] noon
行動発起時刻[koudouhakkijikoku] h-hour

今宵[koyoi] this evening
春宵[shunshou] spring evening
宵の口[yoinokuchi] nightfall
宵越し[yoigoshi] (kept) overnight
徹宵[tesshou] all night

半宵[hanshou] midnight
宵宮[yomiya] eve of a festival vigil
宵っ張り[yoippari] night owl
宵積み[yoizumi] goods loaded in the afternoon for delivery the following morning

今春[konshun] this spring
昨春[sakushun] last spring
三春[sanshun] three spring months
思春期[shishunki] puberty
春たけなわ[harutakenawa] spring is in full swing

春めく[harumeku] to become spring-like
春一番[haruichiban] first storm of spring
春夏秋冬[shunkashuutou] spring, summer, autumn (fall) and winter
春画[shunga] shunga