run up against
US /rʌn ʌp əˈɡɛnst/
UK /rʌn ʌp əˈɡɛnst/

1.
deparar-se com, enfrentar
to encounter a difficulty or problem
:
•
We might run up against some resistance from the local community.
Podemos deparar-nos com alguma resistência da comunidade local.
•
The new policy is likely to run up against strong opposition.
A nova política provavelmente enfrentará forte oposição.