委托书的英文：
letter of attorney

参考例句：

trust indenture=deed of trust,trust deed)
信托契据;委托书

An official requisition or purchase order for goods.
购买委托书，订单购货的官方通知单或订货单

The power of attorney may limit the powers of the representative to certain acts.
委托书可规定代理人的权力限于某些行为。

A creditor or a contributory may give a general proxy to any person.
债权人或分担人可向任何人发出一般委托书。

By letter of proxy, one agent may represent more than one directors.
根据委托书，一名代表可以代表一名以上的董事。

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。

attorney是什么意思：
n. 律师；法定代理人

A practicing attorney;a practicing Catholic.
开业律师；虔诚的天主教徒

thereupon an idea occurred to the attorney for the crown
这样，检察长心生一计。

The millionaire closeted himself with his attorney.
百万富翁把自己和他的律师关在了一个小房间里。

The attorney agreed to do it for a small consideration.
律师同意收取很少的报酬来做这件事。

The judge castigated the attorney for Badgering the witness
法官因为辩护律师纠缠目击证人而谴责了他