前所未有 qiánsuǒwèiyǒu unprecedented
(idiom) unprecedented
怎么记住“前所未有”: 前 in front + 所 place + 未 not yet + 有 have = unprecedented.
汉字
用法
- 'Unprecedented' - nothing like it before - 面临前所未有的挑战 (miànlín qiánsuǒwèiyǒu de tiǎozhàn) facing an unprecedented challenge.
- Set phrase used attributively (前所未有的 + noun) or as predicate; formal, emphatic.
- Neutral polarity: works for both good and bad firsts, unlike 空前 which is similar but slightly more written.