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

お大事に[odaijini] take care of yourself
暗黒大陸[ankokutairiku] Dark Continent (i.e. Africa)
伊勢大神宮[isedaijinguu] the Grand Shrines of Ise
伊勢大廟[isetaibyou] the Grand Shrines of Ise
偉大[idai] greatness

医科大学[ikadaigaku] medical school
医大[idai] medical university
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
一大[ichidai] one large ...
一大事[ichidaiji] serious affair

一般[ippan] general
一般に[ippanni] in general
一般化[ippanka] generalization
一般会計[ippankaikei] general accounting and finance
一般概念[ippangainen] general idea

一般社会[ippanshakai] general public
一般人[ippanjin] ordinary person
一般性[ippansei] generality
一般生活[ippanseikatsu] everyday life
一般的[ippanteki] popular

亜米利加合衆国[amerikagasshuukoku] United States of America
伊達衆[dateshuu] dandy
一切衆生[issaishujou] all living creatures
烏合の衆[ugounoshuu] disorderly crowd
下衆張る[gesubaru] to be churlish

会衆[kaishuu] audience
観衆[kanshuu] spectators
勤労大衆[kinroutaishuu] working people
公衆[koushuu] the public
公衆ブース[koushuubuusu] public booth