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

火燵布団[kotatsubuton] cover for kotatsu
圧力団体[atsuryokudantai] pressure group
一家団欒[ikkadanran] happy family get-together
一団[ichidan] body
右翼団体[uyokudantai] right-wing organization (clique) (organisation)

営団[eidan] corporation
応援団[ouendan] cheering party
応援団長[ouendanchou] cheerleader
花より団子[hanayoridango] dumplings rather than flowers
外郭団体[gaikakudantai] auxiliary organization