<prompt> Translate the following text to EnglishMheshimiwa Hersheimmer, nadhani, tayari unajua. A quizzical mwangaza alikuja katika jicho la daktari kama yeye shook mkono na Julius.  <response>: Mr. Hersheimmer, I think, you already know. A quizzical gleam came into the doctors eye as he shook hands with Julius. 