词书 en-cet4：大学英语四级

dist/en-cet4/shard-001.json

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+{"entries": [{"audio": null, "difficulty": {"bnc_rank": 1835, "collins_star": 3, "frq_rank": 1805, "oxford_core": true}, "headword": "chain", "id": "en-chain", "inflections": {"past": "chained", "past_participle": "chained", "plural": "chains", "present_participle": "chaining", "third_person_singular": "chains"}, "lang": "en", "lemma": null, "lists": ["cet4", "cet6"], "phonetic": {"ipa": "tʃein", "raw": "tʃein", "variety": "en-GB"}, "provenance": {"curated": false, "dataset": "ECDICT", "dataset_license": "MIT", "dataset_version": "ECDICT-MIT-2025", "extracted_at": "2026-10-15", "upstream_word": "chain"}, "schema_version": "qianlin-word-entry/1", "senses": [{"en": "a series of things depending on each other as if linked together；(chemistry) a series of linked atoms (generally in an organic molecule)；a series of (usually metal) rings or links fitted into one another to make a flexible ligament；(business) a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership", "pos": "n.", "register": null, "zh": "链, 枷锁, 束缚"}, {"en": null, "pos": "vt.", "register": null, "zh": "用铁练锁住, 束缚, 囚禁"}]}, {"audio": null, "difficulty": {"bnc_rank": 864, "collins_star": 4, "frq_rank": 1372, "oxford_core": true}, "headword": "chairman", "id": "en-chairman", "inflections": {"past": "chairmanned", "past_participle": "chairmanned", "plural": "chairmen", "present_participle": "chairmanning", "third_person_singular": "chairmans"}, "lang": "en", "lemma": null, "lists": ["cet4", "cet6"], "phonetic": {"ipa": "ˈtʃєəmən", "raw": "'tʃєәmәn", "variety": "en-GB"}, "provenance": {"curated": false, "dataset": "ECDICT", "dataset_license": "MIT", "dataset_version": "ECDICT-MIT-2025", "extracted_at": "2026-10-15", "upstream_word": "chairman"}, "schema_version": "qianlin-word-entry/1", "senses": [{"en": null, "pos": "n.", "register": "econ", "zh": "主席, 会长；主席"}, {"en": "n the officer who presides at the meetings of an organization；v act or preside as chair, as of an academic department in a university", "pos": "n.", "register": null, "zh": null}]}, {"audio": null, "difficulty": {"bnc_rank": 5988, "collins_star": 1, "frq_rank": 9095, "oxford_core": null}, "headword": "chalk", "id": "en-chalk", "inflections": {"past": "chalked", "past_participle": "chalked", "plural": "chalks", "present_participle": "chalking", "third_person_singular": "chalks"}, "lang": "en", "lemma": null, "lists": ["cet4", "cet6"], "phonetic": {"ipa": "tʃɒːk", "raw": "tʃɒ:k", "variety": "en-GB"}, "provenance": {"curated": false, "dataset": "ECDICT", "dataset_license": "MIT", "dataset_version": "ECDICT-MIT-2025", "extracted_at": "2026-10-15", "upstream_word": "chalk"}, "schema_version": "qianlin-word-entry/1", "senses": [{"en": "a soft whitish calcite；a pure flat white with little reflectance；a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces", "pos": "n.", "register": null, "zh": "粉笔, 白垩"}, {"en": "write, draw, or trace with chalk", "pos": "vt.", "register": null, "zh": "用粉笔写, 记录"}]}, {"audio": null, "difficulty": {"bnc_rank": 1506, "collins_star": 4, "frq_rank": 984, "oxford_core": true}, "headword": "challenge", "id": "en-challenge", "inflections": {"past": "challenged", "past_participle": "challenged", "plural": "challenges", "present_participle": "challenging", "third_person_singular": "challenges"}, "lang": "en", "lemma": null, "lists": ["cet4", "cet6"], "phonetic": {"ipa": "ˈtʃælindʒ", "raw": "'tʃælindʒ", "variety": "en-GB"}, "provenance": {"curated": false, "dataset": "ECDICT", "dataset_license": "MIT", "dataset_version": "ECDICT-MIT-2025", "extracted_at": "2026-10-15", "upstream_word": "challenge"}, "schema_version": "qianlin-word-entry/1", "senses": [{"en": "a demanding or stimulating situation；a call to engage in a contest or fight；questioning a statement and demanding an explanation；a formal objection to the selection of a particular person as a juror", "pos": "n.", "register": null, "zh": "挑战, 盘问"}, {"en": null, "pos": "vt.", "register": null, "zh": "向...挑战, 要求, 怀疑；挑战, 对(证据等)表示异议"}]}, {"audio": null, "difficulty": {"bnc_rank": 2381, "collins_star": 3, "frq_rank": 2667, "oxford_core": true}, "headword": "chamber", "id": "en-chamber", "inflections": {"past": "chambered", "past_participle": "chambered", "plural": "chambers", "present_participle": "chambering", "third_person_singular": "chambers"}, "lang": "en", "lemma": null, "lists": ["cet4", "cet6"], "phonetic": {"ipa": "ˈtʃeimbə", "raw": "'tʃeimbә", "variety": "en-GB"}, "provenance": {"curated": false, "dataset": "ECDICT", "dataset_license": "MIT", "dataset_version": "ECDICT-MIT-2025", "extracted_at": "2026-10-15", "upstream_word": "chamber"}, "schema_version": "qianlin-word-entry/1", "senses": [{"en": "a natural or artificial enclLine truncated