先生用英文怎么表達？?

　　"Dear Sir," she began.

　　“尊敬的先生”，她開始寫到。

　　"A pleasure to meet you, sir," he said.

　　“很榮幸見到您，先生，”他說。

　　Could I interest you in this model, Sir?

　　先生，請你瞧瞧這個型號好嗎？

　　"We shall, sir," said Thorne, with conviction.

　　索恩堅定地說：“先生，我們會的”。

　　Could you sign the hotel register please, sir?

　　先生，請在酒店登記簿上簽字好嗎？