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

満更夢ではない[manzarayumedehanai] not altogether a dream
悪夢[akumu] nightmare
一炊の夢[issuinoyume] an empty dream
一夢[ichimu] (a) dream
旧夢[kyuumu] ancient dream

凶夢[kyoumu] bad dream
初夢[hatsuyume] year's first dream
酔生夢死[suiseimushi] idling one's life away
正夢[masayume] dream that comes true