1) The difference is not unlike between heaven and earth.
何啻天壤之别。
2) vastly different
天壤(渊)之别
3) It's the same as killing one's own father.
何啻杀父。
4) Same as the difference Between heaven and earth
不啻天地
6) be as far apart as heaven and earth; be as different as heaven and earth
有霄壤之别
补充资料:天壤
①壤:土地。即“天地”:天地之间。②天地相去很远,比喻悬殊:天壤之别。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条