flush it

Từ điển WordNet v3.1 - WordNet Dictionary

verb

fail to get a passing grade
- She studied hard but failed nevertheless
- Did I fail the test?
• Syn:
fail, flunk, bomb
• Ant:
pass (for: fail)
• Derivationally related forms:
bomb (for: bomb), failing (for: fail)
• Verb Group:
fail
• Verb Frames:
- Somebody ----s
- Somebody ----s something