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

罰一[batsuichi] being once divorced
刑罰[keibatsu] judgement
厳罰[genbatsu] severe punishment
劫罰[goubatsu] eternal punishment
重罰[juubatsu] heavy punishment

処罰[shobatsu] punishment
賞罰[shoubatsu] rewards and punishments
体罰[taibatsu] corporal punishment
懲罰[choubatsu] discipline
天罰[tenbatsu] divine punishment