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

御返し[okaeshi] return gift
ごった返す[gottagaesu] to be in confusion or commotion
引返す[hikikaesu] to repeat
引繰り返る[hikkurikaeru] to be overturned
往き返り[yukikaeri] round trip

往返[ouhen] round trip
押返す[oshikaesu] to force back
恩を仇で返す[onwoadadekaesu] to return evil for good
恩返し[ongaeshi] requital of a favour (favor)
割り返し[warikaeshi] rebate