只管[hitasura] nothing but
只中[tadanaka] middle
只今[tadaima] Here I am
只ならぬ[tadanaranu] unusual
只只[tadatada] absolutely

只者[tadamono] ordinary person (usu. in neg. sentences)
真只中[mattadanaka] right in the midst of
只乗り[tadanori] free ride (e.g. on train)
只働き[tadabataraki] working for free

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