From Longman Dictionary of Contemporary Englishrake something ↔ up phrasal verb informal1 REMIND/MAKE somebody REMEMBERto talk about something from the past that people would prefer you not to mention SYN dredge up It upsets Dad when that story is raked up again.2 (also rake something ↔ together)GET to collect things or people together for a purpose, but with difficulty They could only rake up $300. → rake→ See Verb table
Examples from the Corpus
rake up• Releasing Isabel's face, he stepped away from her, his hard eyes raking her up and down with casual appraisal.• If you see a lot of berries on the ground, rake them up to prevent further sprouting. 