unprecedented challenge
中文释义
前所未有的挑战，指从未经历过的困难。
A difficulty that has never been faced before, often on a large scale.
常用搭配
- face an unprecedented challenge面对空前挑战
- an unprecedented challenge for all众人空前的挑战
- pose an unprecedented challenge构成前所未有挑战
例句
- The pandemic was an unprecedented challenge.疫情是前所未有的挑战。
- The recession posed an unprecedented challenge.经济衰退带来前所未有的挑战。