| 单词 | sir |
| 释义 | sir 1 ENTRIES FOUND: plural sirs plural sirs Learner's definition of SIR 1 [noncount] a — used without a name as a form of polite address to a man you do not know先生（对陌生男性的礼貌称呼）
b — used without a name as a form of polite address to a man of rank or authority (such as a military or police officer, teacher, or master)先生，长官，老师（用作对相当级别的人士或权威人士的礼貌称呼）
2 Sir [count] — used without a name as a form of address at the beginning of a formal letter先生，阁下（正式信函中不指明收信人姓名的称呼）
3 Sir [noncount] — used as a title before the name of a knight or baronet爵士（用作爵士或准男爵姓名前的称呼）
4 [noncount] US, informal — used in the phrases no sir and yes sir for emphasis, to show surprise, etc.决不，的确（用于短语，强调惊讶等）
|
| 随便看 |
|
英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。