求词组如何用!造句的用法be amazed at/by/with用法as for/toas if/though

e amazed at/by sb/sth对……大为惊奇
Eg.I was amazed at her knowledge of Chinese literature.她的中国文学知识之丰富使我大为惊奇.
as for sb/sth至于……
Eg.As for me,I like dogs.对于我来说,我喜欢小狗.as to sth至于……
Eg.As to tax,that will be detucted form your salary.至于税款,将从你的薪水中扣除.
as if/ though
Eg.She behaved as if/though nothing had happened.她表现得好像若无其事.

be amazed at/by sb/sth对……感到惊奇。
as for (至于，就……方面说)和 as to (至于；关于)这两个复合介词在含义上相当接近，但在用法上差别很多。下面谈它们的这些差别。
1．as for
1)用以转换话题：在有前文的情况下as for总是出现在下文的句首，用来引出另外一方或者新的谈话内容，但与前文内容也有一定的联系，起到补充前文又突出后...

可以下载有道词典，非常方便。

be amazed at/by sb/sth对……大为惊奇
Eg.I was amazed at her knowledge of French literature.她的法国文学知识之丰富使我大为惊奇。
as for sb/sth至于……
Eg.As for Jo,she's doing fine.至于乔，她现在日子过得不错。As for food for the par...

enen though i have been to many places of interest i am still amazed at the beauty of the city