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

位置揃え[ichisoroe] justification
一揃い[hitosoroi] set
一揃え[hitosoroe] set
供揃い[tomozoroi] attendants
三つ揃い[mitsuzoroi] three-piece suit

勢揃[seizoroi] array
切り揃える[kirisoroeru] to cut and even up
揃い[soroi] set
揃う[sorou] to become complete
揃える[soroeru] to collect