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

一刀[ittou] sword
一刀彫り[ittoubori] one-knife carving
一刀両断[ittouryoudan] cutting in two with a single stroke
印刀[intou] seal-engraving knife
円刃刀[enjintou] round-edged scalpel

快刀[kaitou] (literary) sharp sword
快刀乱麻[kaitouranma] solving a problem swiftly and skillfully
懐刀[futokorogatana] confidant
儀刀[gitou] ceremonial sword
軍刀[guntou] saber

一刀彫り[ittoubori] one-knife carving
丸彫り[marubori] three dimensional sculpture
彫り刻む[horikizamu] to engrave
彫り上げる[horiageru] to emboss
彫り上げ細工[horiagezaiku] relief work

彫付ける[horitsukeru] to carve (design)
彫る[horu] to carve
彫金[choukin] metal carving
彫工[choukou] carver
彫刻[choukoku] carving