{"en_key":"be at a premium","headword":"at","is_phrasal":true,"sense":"be at a premium","explanation":"If something useful is at a premium, there is not enough of it.","level":"C2","ps":"preposition","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=be%20at%20a%20premium&highlight=on"},"balla":{"n_matches":0,"contexts":[]},"atoms":[]},"n_sources_with_hits":0,"evp_dictionary_examples":["Time is at a premium just before the start of exams."],"confidence_summary":{"high":0,"medium":0,"tentative":0,"total":0}}