take one's cue from
Follow the lead of another, as in I'm not sure what to bring, so I'll take my cue from you. This expression, first recorded in 1622, alludes to the cue giving an actor a signal to speak.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.