越冬[ettou] passing the winter
夏炉冬扇[karotousen] summer fires and winter fans
旧冬[kyuutou] former winters
厳冬[gentou] severe winter
今冬[kontou] this winter

三冬[santou] three winter months
春夏秋冬[shunkashuutou] spring, summer, autumn (fall) and winter
初冬[shotou] early winter
真冬[mafuyu] midwinter
暖冬[dantou] mild winter

下り坂[kudarizaka] descent
下坂[shimosaka] downhill
急な坂[kyuunasaka] sudden drop
急坂[kyuuhan] steep slope
京坂[keihan] Kyoto-Osaka

坂道[sakamichi] hill road
上り坂[noborizaka] ascent
登坂[tohan] climbing a slope (hill)
女坂[onnazaka] the easier of two slopes

お大事に[odaijini] take care of yourself
暗黒大陸[ankokutairiku] Dark Continent (i.e. Africa)
伊勢大神宮[isedaijinguu] the Grand Shrines of Ise
伊勢大廟[isetaibyou] the Grand Shrines of Ise
偉大[idai] greatness

医科大学[ikadaigaku] medical school
医大[idai] medical university
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
一大[ichidai] one large ...
一大事[ichidaiji] serious affair

一陣[ichijin] gust of wind
円陣[enjin] forming a circle
共産陣営[kyousanjinei] the Communist camp
軍陣[gunjin] camp
軍陣医学[gunjinigaku] military medicine

経営陣[keieijin] the management ranks
堅陣[kenjin] stronghold
殺陣[tate] sword battle (staged for television, etc.)
主陣地[shujinchi] main battle area
出陣[shutsujin] departure for the front