unprecedented

Collocations

unprecedented level

前所未有的水平

The company achieved an unprecedented level of success this year.公司今年取得了前所未有的成功水平。

unprecedented scale

空前的规模

The festival was held on an unprecedented scale, attracting millions of visitors.这个节日的规模空前，吸引了数百万游客。

unprecedented challenge

前所未有的挑战

Climate change poses an unprecedented challenge to global ecosystems.气候变化对全球生态系统构成了前所未有的挑战。

unprecedented opportunity

空前的机遇

The digital transformation offers an unprecedented opportunity for small businesses.数字化转型为小企业提供了空前的机遇。

unprecedented step

前所未有的举措

The government took an unprecedented step by declaring a national emergency.政府采取了前所未有的举措，宣布进入国家紧急状态。

Memory Tip

拆分记忆：un（无）+ precedent（先例）→ 无先例的，即空前

Context & Register

通常用于正式或学术语境，表示‘空前的’。比较常见于新闻报道、学术论文等。

Grammar Note

无比较级和最高级形式

Pronunciation & Spelling

These words share the spelling ending '-ented' but do not rhyme with 'unprecedented' because of different stress placement and syllable count. 'Unprecedented' has primary stress on the second syllable (pre), while these words typically stress the syllable before '-ented' or the first syllable. The pronunciation of '-ented' is /ɛntɪd/ in all, but the preceding sounds vary significantly.

Usage priority

Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。