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

アパート荒らし[apaatoarashi] apartment house robbery (robber)
一荒れ[hitoare] squall
凶荒[kyoukou] poor crops
口荒[kuchiara] rough speaking
荒い[arai] rough

荒い波[arainami] wild (raging) waves
荒っぽい[arappoi] rough
荒す[arasu] to lay waste
荒れる[areru] to be stormy
荒れ狂う[arekuruu] to rage