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general::
Phrase(s): need I remind you that... [and] need I remind you of...
a phrase that introduces a reminder. (A little haughty or parental.) • Bill: Need I remind you that today is Friday? Bob (sarcastically): Gee, how else would I have known? • John: Need I remind you of our policy against smoking in the office? Jane: Sorry, I forgot.
McGrawhill's American Idioms And Phrasal Verbs