scare something up 
phrasal verb with scare verb [ I or T ] uk/skeər/ us/sker/
  US informal      
 仓促准备,勉强凑成
to find or get something despite difficulties or limited supplies
  There's hardly any food in the house, but I'll scare something up from these leftovers. 家里几乎没有什么吃的,但我会用这些剩饭菜张罗出一顿饭来。