run up against in a sentence

Examples

1. But attempts such as these have run up against a brick wall _ so far.
2. Sometimes, the center's rules run up against children's routines.
3. But any obsession with racial purity must run up against the historical reality of intermarriage.
4. "I've never run up against anything like it ."
5. Let him run up against 3RR and get blocked.
6. Tanks that big often run up against opposition from local fire departments concerned about accidents.
7. And then we run up against stone walls.
8. Sometimes one bipartisan team runs up against another.
9. Sometimes you just run up against a buzzsaw.
10. Some people think the Bulls will be the toughest thing the Sonics have run up against.