1. 我決不就這一問題與他通信。
   I refused to enter into any correspondence (ie exchange letters) with him about it.
2. 我們已（互相）通信多年了，可是我從未見過他本人。
   We've corresponded (with each other) (ie written to each other) for years but I've never actually met him.
3. 汽車在交通信號燈處停住了。
   The car came to a full stop at the traffic lights.
4. 你一直在和你父母通信嗎？
   Are you still corresponding with your parents?
5. 董事會注意到維持有效通訊的需要，因此決定建立一個新的通信網(wǎng)。
   Mindful of the need to maintain efficient communication, the board of directors decided to construct a new communication network.
6. 無線電和電視是重要的通信手段。
   Radio and television are important means of communication.

通的英語翻譯：

信的英語翻譯：