The Duke said uncertainly,"I don't understand."
"I understand,"the Duchess of Croydon sai."You want money,don't you ? You came here to blackmail us."
If she expected her words to shock, they did not succeed. The house detective shrugged. "Whatever names you call things, ma'am, don't matter to me. All I come for was to help you people out of trouble. But I got to live too."
"You'd accept money to keep silent about what you know?"
"I reckon I might."
"But from what you say,"the Duchess pointed out,her poise for the moment recovered,"it would do no good. The car would be discovered in any case."
这是一篇小说,所以翻译需要更口语化一点,谢谢咯~