{"en_key":"a history of","headword":"history","is_phrasal":true,"sense":"a history of sth","explanation":"If you have a history of a particular problem or illness, you have already suffered from it.","level":"C1","ps":"noun","sub":null,"ua_renderings":[],"avoid":[],"examples":[],"evidence":{"concordance":{"n_matches":0,"samples":[]},"e2u":{"n_dicts":0,"n_rows":0,"rows":[],"url":"https://e2u.org.ua/s?w=a%20history%20of&highlight=on"},"balla":{"n_matches":0,"contexts":[]},"atoms":[]},"n_sources_with_hits":0,"evp_dictionary_examples":["a man with a history of drug addiction"],"confidence_summary":{"high":0,"medium":0,"tentative":0,"total":0}}