这是什么意思用英语应该怎么说

What's the meaning?或者
What does it mean?

致意，问候(传真或电传结尾用语)

what is the meaning of this
regards通常用在信的末尾表示祝福的意思

基本上等于此致的意思

what does this mean?
what do you mean by this?
regards 表示祝福！

What's the meaning of this？
Regards

n. 问候,致意

看待

I regard him as a fool.
我把他看作一个傻瓜

What is the meaning of .....
致上我的问候.