phrase → suppose You can use 'do you suppose' to introduce a question when you want someone to give their opinion about something, although you know that they are unlikely to have any more knowledge or information about it than you. [spoken] ⇒ Do you suppose he was telling the truth? ⇒ What do you suppose they want with her? ⇒ You don't suppose they'd start the trip without us, do you?
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