clean up ,clean off ,clean away有什麼區別啊?都是清掃,整理?

題目：

clean up ,clean off ,clean away有什麼區別啊?都是清掃,整理?

解答：

clean up 收拾乾淨,掃除清洗 強調動作的結果就是打掃乾淨
We spent all Saturday morning cleaning up
clean off 除去,清除 強調打掃動作的本身
He used a tissue to clean his fingerprints off the gun.
clean away 把...清除掉,清除,強調動作的結果是消失或者距離上的消失
Please clear your books away so that I can serve dinne