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

１枚[ichimai] one thin flat object
一枚下[ichimaishita] one step lower
一枚貝[ichimaigai] univalve
一枚看板[ichimaikanban] (a) leading player
一枚岩[ichimaiiwa] monolith

一枚上[ichimaiue] one step higher
何枚[nanmai] how many thin flat objects?
３枚[sanmai] three flat objects (e.g. tickets, pieces of cloth, etc.)
三枚目[sanmaime] comedian
紙一枚[kamiichimai] one sheet of paper

インディア紙[indiakami] India paper
クラフト紙[kurafutoshi] craft paper
ケント紙[kentoshi] Kent paper
リトマス試験紙[ritomasushikenshi] litmus paper
一紙半銭[isshihansen] small sum

陰画紙[ingashi] (photographic) printing paper
印刷紙[insatsushi] printing paper
印紙[inshi] (revenue) stamp
烏紙[karasugami] coarse dark-brown paper
黄表紙[kibyoushi] illustrated storybook with yellow covers (Edo period)