{"en_key":"stumble across on upon","headword":"stumble","is_phrasal":true,"sense":"stumble across/on/upon sth/sb","explanation":"to discover something by chance, or to meet someone by chance","level":"C2","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=stumble%20across%20on%20upon&highlight=on"},"balla":{"n_matches":0,"contexts":[]},"atoms":[]},"n_sources_with_hits":0,"evp_dictionary_examples":["I stumbled across these photographs while I was cleaning out my desk."],"confidence_summary":{"high":0,"medium":0,"tentative":0,"total":0}}