get straight


Also, have straight. Understand correctly or make something clear, as in Now let's get it straight—you'll take over at four, or Do I have it straight about when you're leaving? This expression uses straight in the sense of “in proper order” or “not confused.” [c. 1920]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.