hmm
hmm — exclamation
1. A spoken sound used in conversation to show that you are thinking carefully abou
A spoken sound used in conversation to show that you are thinking carefully about something, feeling unsure, or pausing before giving a reply.
Ravi scanned the menu and said, 'Hmm, I cannot pick between pasta and salad.'
hesitation before a decision — common use of 'hmm'
'Hmm, that is a good question,' replied Dr. Okonkwo as she considered the student's idea.
Leila listened to the news and just said, 'Hmm,' not sure how to respond.
Kofi tapped his chin and murmured, 'Hmm, let me think about that.'
用法筆記
Hmm has no fixed spelling. Writers also use 'hm', 'hmmm', or 'hmm...' depending on how long the pause sounds. Longer spellings (e.g. 'hmmmm') suggest deeper thought or stronger doubt. This word appears almost exclusively in informal conversation and in written dialogue — avoid it in formal academic or business writing.