Pronunciation: rʌn ʌp əˈɡɛnst;əˈɡeɪnst
Parts of Speech: phrasal verb
run up against someone/something if you run up against problems, difficulties etc, you have to deal with them
Definition: Meaning of, sumac in English to Russian dictionary.
Pronunciation: / ˈs(j)uːmak;ˈʃuːmak /