敬称的英文：
prefix

参考例句：

Used as a polite,but more often patronizing,form of address or description
用作敬称或客气的描述，但多含屈尊俯就之意

Used as a courtesy title for a younger son of a duke or marquis.
阁下，大人用作对公爵或侯爵年轻的儿子的敬称

prefix是什么意思：
n. 前缀；称谓；前置代码
v. 加前缀；将某事物加在前面

`pre' is a prefix in `prehistoric' and `premedical' and `prepaid'.
‘pre’在‘prehistoric（史前的）’、‘premedical（医学院预科的）’和‘prepaid（预先支付的）’中是前缀。

This prefix is for the purpose of correspondence and communication only.
此称谓只作通信及联络之用。

Fill in each blank with a proper negative prefix.
用适当的表示否定的前缀填空。

The official prefixed an explanatory note to the list of statistics.
那官员在统计表前加了一段说明文字。

add sth as a prefix(to a word,name,etc)
（在单词上）加前缀;（在人名前）加称谓.