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

悪童[akudou] bad boy
河童[kappa] kappa (mythical water-dwelling creatures)
河童巻き[kappamaki] cucumber sushi wrapped in nori (seaweed)
学童[gakudou] school child
お河童[okappa] bobbed hair (from resemblance to the mythical Kappa's hair style)

三尺の童子[sanjakunodouji] mere child
児童[jidou] children
児童画[jidouga] pictures drawn by a child
児童劇[jidougeki] juvenile play
児童心理学[jidoushinrigaku] child psychology