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general::
Phrase(s): make change (for someone) (for something)
1. to return change [coins] for someone to use for some purpose. • Will you please make change for me for the telephone? • I will make change for the telephone for you. 2. to return change [coins or bills or both] to someone for paper money. • The clerk refused to make change for her for the dollar bill. • I will be happy to make change for a ten for you.
McGrawhill's American Idioms And Phrasal Verbs