单词	hard as a brick
释义	hard as a brick 极硬
随便看	unsaturated vapor unsaturated vapour unsaturated vertex unsaturated void count unsaturated water unsaturated Weston cell unsaturated zone unsaturates unsaturation unsaturations unsaturation test unsau unsaught unsavable unsavage unsavaged unsave unsaveable unsaved unsaving unsavorily unsavoriness unsavorinesses unsavory unsavour 难得玉人心下事难拚处难甘原宪贫难相见难着许多愁难系离思难补金镜难觅孤鸿托难言处难负深盟ひょうほんひょうほん【標本】ひょうほんちょうさひょうほんちょうさ【標本調査】ひょうぼうひょうぼう【標榜】ひょうむひょうむ【氷霧】ひょうめいひょうめい【表明】