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

一般生活[ippanseikatsu] everyday life
隠退生活[intaiseikatsu] secluded life
火山活動[kazankatsudou] volcanic activity
快活[kaikatsu] cheerful
活火山[kakkazan] active volcano

活気[kakki] energy
活況[kakkyou] activity
活劇[katsugeki] action picture
活字[katsuji] printing type
活字体[katsujitai] printed form (of writing)

お生憎様[oainikusama] that's too bad (ironical)
御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
生きがいい[ikigaii] fresh (e.g. fish)
コンピューター援用生産[konpyuutaaenyouseisan] computer-aided manufacture

委託生[itakusei] scholarship student sent by government office or business
生す[nasu] to build up
異常発生[ijouhassei] plague
医学生[igakusei] medical student
医学生物学[igakuseibutsugaku] medical biology

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