as different as heaven from earth; a world of difference; poles apart ❍ 篆字园折，还有图画的余痕，从隶书到现在的楷书，和形象就～。(鲁迅《且介亭杂文·门外文谈》71) The ancient seal characters with their curved lines bear some resemblance to pictures,but the later characters are as different from what they represent as heaven from earth.