甘言は偶人を喜ばす[kangenhaguujinwoyorokobasu] sweet words only please a fool (prov)
偶さか[tamasaka] occasionally
偶因[guuin] contingent cause
偶詠[guuei] impromptu poem
偶感[guukan] random thoughts

偶吟[guugin] impromptu poem
偶語[guugo] conversation
偶作[guusaku] something accidentally accomplished
偶人[guujin] puppet
偶数[guusuu] even number

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