"Dear sir," she began.

“尊敬的先生，”她开头写道。

柯林斯例句

Dear Sir, I am very glad and honoured to write to you.

亲爱的先生, 我能给你写信真是感到十分荣幸.

《简明英汉词典》

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。

柯林斯例句

My dear sir, it is not for me to dictate to you.

亲爱的先生, 你的事我当然无权作主.

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Trusting soon to hear from you , I remain , dear sir.

深信,不久将会收到贵司的回音.

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My dear sir Magna Carta of the Argentine Locksmiths'Union is no joking matter.

我亲爱的先生,阿根廷锁匠工会基本章程的条款可不是开玩笑的事情.

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