(a) hızla çarpmak, toslamak. 
 The car ran up against a tree. (b) tesadüfen karşılaşmak, rastgelmek. 
 
 I ran up against old Bill in the market. (c) 
 k.d. (belaya) çatmak, (zorlukla) karşılaşmak. 
 I thought we would be successful, but we ran up against a lack of money.