前所未有
qián suǒ wèi yǒu
unprecedented
Character by character
前qián
before
before
所suǒ
what
what
未wèi
never
never
有yǒu
have
have
Example
人工智能带来了前所未有的机遇。
AI has brought unprecedented opportunities.
Tone: neutral.
Usage and origin
Very frequent in the news. More formal: 史无前例.
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