Related Clues:

• At-a-loss utterance
• With 54-Down, start of a historic telegraph message
• 'Say that again?'
• Thaw out, eh?
• Eh?
• Word from the hard-of-hearing
• 'I beg your pardon?'
• 'You wanna run that by me again?'
• 'What gives?'
• Whatever way you look at it, it comes as a surprise to you in hotels
• Repetition request
• Engineer, did you say? Please repeat!
• "Eh?"
• Expression of confusion
• Indication that you don't get it