hear from..
请参见以下网址:http://www.iciba.com/hear%20from/
hear from.. 意为:收到…的来信(或电报等)
1. Have you heard from them recently?
你最近接到他们的信了吗?
2. I look forward to hearing from you in the near future.
我盼望着不久收到你的信。
get the letter from somebody
I heard from you.
I got a letter from you.
I received a letter from you..
都是我接到了一封你的来信的意思。。。