flunk out

Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

flunk out phrasal verb US informal [ flunks out flunking out flunked out flunked out flunked out ]
to have to leave school or college because your work is not good enough
• Dan won't be in college next year - he flunked out.
Thesaurus⁺: ↑Failing and doing badly ↑Not going to school
Main entry: flunk_{phrasal verb}