Idioms and Phrases with come up against
come up against
Encounter, especially an obstacle or problem. For example, I've never come up against anything I can't handle, or Dealing with Malcolm is like coming up against a brick wall.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.