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

一摘み[hitotsumami] pinch (of something)
桑摘み[kuwatsumi] picking mulberry leaves
指摘[shiteki] pointing out
性腺摘除[seisentekijo] castration
茶摘み[chatsumi] tea harvesting (picking)

摘出子[tekishutsushi] legitimate child
摘まみ[tsumami] knob
摘まみ出す[tsumamidasu] to pick out
摘まみ物[tsumamimono] snack (to have with a drink)
摘む[tsumu] to pluck