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

意気軒高[ikikenkou] in high spirits
一軒[ikken] one house
一軒一軒[ikkenikken] house to house
軒下[nokishita] under the overhang of a Japanese roof
軒昂[kenkou] high-spirited

軒数[kensuu] number of houses
軒先[nokisaki] edge of the eaves
軒並[nokinami] row of houses
向こう三軒[mukousangen] one's next three neighbors