know everything about somethin
know everything about somethingknow everything about something,know something about everythingknow everything about something,know something about everything
know everything about something,知道一些事情的全部 know something about everything.全部事情都知道一些 这就是两种人，第一种是精通若干专业； 第二种是知道很多，但是都不精。
答：答：1.know=clear about sth; 2.know about=clear about sth generally 3.know of=clear...详情>>
答：I haven't window molding catalogs on hand. catalogs 产品目录 haven't ~ something ~ o...详情>>
问：head+hand+hardworking=success 什么意思
答：head+hand+hardworking=success 脑+动手+努力工作 = 成功详情>>
