What's the differences among"answer ""reply"“answer to” “reply to”

问题描述:

What's the differences among"answer ""reply"“answer to” “reply to”
语法书上讲得太难理解了,能否举例并说明一下~
吾不甚受恩感激~
能否给几道例题?

reply是只经过考虑后的答复比answer要正式一些,answer是口语中一般的应答(如:开门,接电话,应徴等)would you answer the phone for me reply to表答复谁,答复问题等please reply to my letter as soon as possible....