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

お徳[otoku] economical
悪徳[akutoku] vice
悪徳新聞[akutokushinbun] irresponsible newspaper
偉徳[itoku] outstanding virtue
威徳[itoku] virtue and influence

遺徳[itoku] benefit from ancestors' virtue
一徳[ittoku] virtue
陰徳[intoku] secret charity
乾徳[kentoku] emperor's virtue
謙譲の美徳[kenjounobitoku] modest virtue