From Longman Dictionary of Contemporary Englishscrape through (something) phrasal verbPASS A TESTto only just succeed in passing an examination or dealing with a difficult situation I managed to scrape through the exam. → scrape→ See Verb table
Examples from the Corpus
scrape through • Liverpool scraped through 2-1 on aggregate to a tie with Porto in the next round.• There was only just room to scrape through between the roots of the tree and the edge.• They scraped through by an 8-7 margin and now travel to Upminster in the next round.• She is practical in the way that people who scrape through life are.• Even so, without his father's family connection he wouldn't have scraped through the entrance exam.• The aim is to cut costs enough to scrape through today's recession. 