{"en_key":"dwell on upon","headword":"dwell","is_phrasal":true,"sense":"dwell on/upon sth","explanation":"to keep thinking or talking about something, especially something bad or unpleasant","level":"C1","ps":"verb","sub":"[phrasal verb]","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=dwell%20on%20upon&highlight=on"},"balla":{"n_matches":0,"contexts":[]},"atoms":[]},"n_sources_with_hits":0,"evp_dictionary_examples":["I don't want to dwell on the past ."],"confidence_summary":{"high":0,"medium":0,"tentative":0,"total":0}}