聘书的英文：
letter of appointment

参考例句：

When the issue of his contract came up, she said gallantly, "Of course I'll send my contract back
到聘书的事发生，孙小姐慷慨地说:“我当然把我的聘书退还——

letter是什么意思：
n. 字母；信；字面意义；证书，许可证；文学
v. 用字母标明，写字母于；写印刷体字母；赢得校名缩写字母标志

in letter and in spirit
在字面意义和精神实质上|无论形式和实际

The letter was a forgery.
这封信是伪造的。

Post the letter through the slit in the letter box.
把这封信从信箱的投信口投进去。

Imprint a postmark on a letter =imprint a letter with a postmark
盖邮戳于信上

The letter is directed to him.
这封信是写给他的。

appointment是什么意思：
n. 任命；职位；约会

to cancel an appointment
取消约会

Appointments can be made by arrangement.
约见时间可以商定解决。

He will only see you by appointment.
只有事先约好他才能接见你。

It was a luxuriously appointed room.
这是一个陈设豪华的房间。

She is appointed director of the farm.
她被委任为农场指导。