eat up something

Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

eat up sth phrasal verb [ ate up sth eaten up sth eaten up sth eats up sth eating up sth ]
to use or take away a large part of something valuable
• A big old car like that eats up petrol.
Thesaurus⁺: ↑Using and misusing
Main entry: eat_{phrasal verb}