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

井戸浚え[idosarae] well cleaning
浚渫[shunsetsu] dredging
浚う[sarau] to sweep away
お浚い[osarai] review
浚渫作業[shunsetsusagyou] dredging operations

浚渫船[shunsetsusen] dredger
浚渫機[shunsetsuki] dredger
総浚い[souzarai] general review
洗い浚い[araizarai] everything
棚浚え[tanazarae] clearance sale