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Related to scrape through: look after, clear out, fall back on, give up on, get up to, starting off
1. Lit. to move through something, scraping or rubbing the sides. The car, going at a very high speed, scraped through the tunnel. It just managed to scrape through.
2. Fig. to get by something just barely; to pass a test just barely. Alice passed the test, but she just scraped through it. I just scraped through my calculus test.
To succeed just barely in getting through something: I didn't get a chance to study, and I barely scraped through the final exam.