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

渦潮[uzushio] whirling tides
潮風呂[shioburo] (hot) saltwater bath
下げ潮[sageshio] ebb tide
血潮[chishio] blood spilt from the body
高潮[kouchou] high tide

黒潮[kuroshio] Japan Current
最高潮[saikouchou] climax
思潮[shichou] trend of thought
主潮[shuchou] main current
出潮[deshio] high tide