{"en_key":"know what you are talking about","headword":"know","is_phrasal":true,"sense":"know what you are talking about","explanation":"to understand a subject because of your experience","level":"C1","ps":"verb (knew, known)","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=know%20what%20you%20are%20talking%20about&highlight=on"},"balla":{"n_matches":0,"contexts":[]},"atoms":[]},"n_sources_with_hits":0,"evp_dictionary_examples":["He doesn't know what he's talking about - he's never even been to Africa."],"confidence_summary":{"high":0,"medium":0,"tentative":0,"total":0}}