When someone asks you a question and you don't understand
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Someone calls you but you can't talk at the moment
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Your co-worker invites you out to drink but you don't want to go
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You're at a bar and you want to ask about what kind of drinks they have
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Someone is speaking very fast and you can't understand
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You need to know what time it is but you don't have a phone or watch
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You want to order food at the restaurant
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