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

一敗[ippai] one defeat
完敗[kanpai] complete defeat
規則を敗る[kisokuwoyaburu] to break the rules
再敗[saihai] second defeat
失敗[shippai] failure

失敗は成功の基[shippaihaseikounomoto] failure teaches success
勝敗[shouhai] victory or defeat
成敗[seibai] punishment
惜敗[sekihai] regrettable defeat
全敗[zenpai] complete defeat