gallop through something 
phrasal verb with gallop verb uk/ˈɡæl.əp/ us/ˈɡæl.əp/
  informal      
 匆匆地做;草草地读;走马观花地看
to perform, read, or do something very quickly and without enough care
  They often gallop through ten news items in 20 minutes. 他们经常在20分钟内匆匆播完10条新闻。