lost in the shuffle
Failing to stand out among others, as in In that huge economics class Jane's afraid she'll get lost in the shuffle. This metaphoric term alludes to mixing playing cards before dealing them. [c. 1900]
Has The Word “Expert” Lost Its Meaning In 2019?What makes someone an expert? In the days of the internet, it seems like it's gotten much harder to tell.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.