sir
- n.(对不认识的男性的尊称)先生;先生，老师;(正式信函中对不知其名的男性收信人的称呼)阁下;(贵族头衔，用于爵士或准男爵的名字或姓名前面)爵士
复数： sirs
sirnoun
（对不认识的男性的尊称）先生
used as a polite way of addressing a man whose name you do not know, for example in a shop/store or restaurant, or to show respect
Good morning, sir. Can I help you?
早上好，先生。您要点什么？
Are you ready to order, sir?
先生，可以点菜了吗？
‘Report to me tomorrow, corporal!’ ‘Yes, sir!’
“下士，明天来向我报告！”“是，长官！”
‘Thank you very much.’ ‘You're welcome, sir. Have a nice day.’
“多谢。”“不客气，先生。祝您愉快。”
（正式信函中对不知其名的男性收信人的称呼）先生，阁下
used at the beginning of a formal business letter when you do not know the name of the man or people that you are dealing with
Dear Sir/Sirs
亲爱的先生 / 诸位先生
Dear Sir or Madam
亲爱的先生或女士
（贵族头衔，用于爵士或准男爵的名字或姓名前面）爵士
a title that is used before the first name of a man who has received one of the highest British honours (= a knight ), or before the first name of a baronet
Sir Paul McCartney
保罗∙麦卡特尼爵士
Thank you, Sir Paul.
谢谢，保罗爵士。
（中小学生对男教师的称呼）先生，老师
used as a form of address by children in school to a male teacher
Please, sir, can I open a window?
老师，请允许我打开一扇窗户好吗？
certainly not
我们决不能允许那样的事情发生！决不能！
We will never allow that to happen! No sir!
used to emphasize that sth is true
你这辆车真好。的确好！
That's a fine car you have. Yes sir!
sir
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N-VOC (对不知其姓名的男士或上级的尊称)先生，长官
People sometimes say sir as a very formal and polite way of addressing a man whose name they do not know or a man of superior rank. For example, a shop assistant might address a male customer as sir .Excuse me sir, but would you mind telling me what sort of car that is?...
先生，请您告诉我那是什么类型的车好吗？
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N-TITLE (用于爵士或准男爵的姓名前)爵士
Sir is the title used in front of the name of a knight or baronet.She introduced me to Sir Tobias and Lady Clarke.
她把我引见给了托拜厄斯爵士和克拉克夫人。
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CONVENTION (正式信函或商务信函开头的称呼语)先生，阁下(写信给某组织时使用 Dear sirs)
You use the expression Dear sir at the beginning of a formal letter or a business letter when you are writing to a man. You use Dear sirs when you are writing to an organization.Dear Sir, Your letter of the 9th October has been referred to us.
尊敬的先生，您 10 月 9 日的来信已转交我处。
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Could I interest you in this model , Sir ?
先生，请你瞧瞧这个型号好吗？
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Could you sign the hotel register please , sir ?
先生，请在酒店登记簿上签字好吗？
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Please , sir , can I open a window ?
老师，请允许我打开一扇窗户好吗？
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We will never allow that to happen ! No sir !
我们决不能允许那样的事情发生！决不能！
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May I suggest a white wine with this dish , Sir ?
先生，吃这道菜，我给您推荐一种白葡萄酒，好吗？
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Thank you , Sir Paul .
谢谢，保罗爵士。
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May I ask where you 're going , sir ?
先生，请问您要去哪？
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' A pleasure to meet you , sir , ' he said
他说：“先生，很高兴见到您。”
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' You may leave . ' — ' Yes , sir . '
“你可以走了。”——“是，长官。”
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' Strike Force Three are here , sir . ' — ' Good . '
“第三突击队已到这里，长官。”——“很好。”
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I got the impression she 'd like a word with you , sir .
我觉得她可能想和你谈一谈，先生。
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Sir Denis took one look and sent it back
丹尼斯爵士看了一眼就把它送了回去。
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Sir , could you please come to the commanding officer 's office ?
长官，请您到指挥官的办公室来一下好吗？
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Sir Gerald made a small noise in his throat .
杰拉尔德爵士从喉咙里发出了点儿声音。
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Please sir , can we have some more ?
请问，先生，我们能再要一些吗？
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Sir Robert made his announcement after talks with the President
在与总统会谈之后，罗伯特爵士发表了声明。
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Good afternoon to you , sir .
下午好，先生。
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They mean to share the business between them , after you yourself are gone , Sir
先生，他们两个打算等您本人离开后瓜分这个企业。
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Sir Peter has held several senior military posts .
彼得爵士担任过几个高级军事职务。
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Sir Harry ! Stop , if you please !
哈里爵士！对不起，请等一下！
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Can I just stop you there sir ?
老师，我能不能在这里打断您一下？
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' Dear sir , ' she began .
“尊敬的先生，”她开头写道。
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' We need proof , sir . ' Another pause . Then , ' Very well . '
“我们需要证据，先生。”又是一个短暂停顿。然后，“那好吧。”
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Excuse me sir , but would you mind telling me what sort of car that is ?
先生，请您告诉我那是什么类型的车好吗？
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When will I be released , sir ?
什么时候放我出去，先生？
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Her husband was also honoured with his title ' Sir Denis '
她丈夫也被封为“丹尼斯爵士”。
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Sir Geoffrey had no personal animosity towards the Prime Minister .
杰弗里爵士对首相并无私人恩怨。
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Sir Robert was a strong and vigorous politician .
罗伯特爵士是位坚定而又活跃的政治家。
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' We shall , sir , ' said Thorne , with conviction .
“我们会的，先生，”索恩坚定地说。
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Abbot looked blank . ' I don 't quite follow , sir . '
阿博特一脸茫然。“我没听明白，先生。”
- 习语