您要查找的是不是：
- to encipher a letter 以密码写信
- I want to address a letter to a friend. 我要给一个朋友寄封信。
- She dashed off a letter to her mother. 她给母亲匆匆写了一封信。
- There is a letter addressed to you. 有封写给你收的信。
- Apparently he never wrote a letter to her. 显然，他一封信也没给她写。
- Has she ever written a letter to Mark? 她曾经写信给马克吗？
- I want to know why Tom answers a letter for me. 我想知道为什么汤姆没有给我回信。
- He was dictating a letter to his secretary. 他在向秘书口授信稿。
- I was writing a letter to my family. 我正在给家里写信。
- I'm writing a letter of thanks to them. 我在给他们写一封谢函。
- I penned a letter to my aunt today. 今天我写了一封信给姑妈。
- I hope a letter of admission will be issued to me in due course. 希望能将入学证书及时寄我，并盼早日复信。
- She sent me a real snorter of a letter. 她给我寄来一封异乎寻常的信。
- I had a letter from the people who used to own the corner shop. 我收到从前街角那家商店的老板寄来的一封信。
- I have a letter from the people who used to own the corner shop. 我收到从前街角那家商店的老板寄来的一封信。
- He imprinted a letter with a postmark. 他在信件上盖上了邮戳。
- I receive a letter from her in her neat script. 我收到她的字体很工整的来信。
- She was giggling at a letter from a boy. 她正对着一男生写给她的信吃吃地笑着。
- The duke ordered the servant to send a letter to the king. 公爵命令仆人把一封信送给国王。
- The postman left a letter for us. 邮递员给我们留下一封信。
