I know you think you uderstood what I said,

Related:

• I know you believe you understand what you think I said,
  but I'm not sure you realize what you heard is not...
• I know that you believe that you understood what you think I said,
  but I am not sure you realize that what you heard is...
• I know you think you thought you knew what you thought I said,
  but I'm not sure you understood what you thought I...
• I meant what I said ---
  I think...
• It's not what you say,
  it's what I think you said...
• If you listened hard enough the first time,
  you might have heard what I meant to say...
• I don't know,
  what do you think...
• I know you think that you understood what you thought I said,
  but I am not all that sure that you understand that...
• You didn't say what you said I said
  you said...