空前 kōngqián unprecedented
How to remember 空前: 空 empty + 前 in front = unprecedented.
Characters
How it is used
- Unprecedented, on a scale never seen before - 空前盛况 (kōngqián shèngkuàng) an unprecedented grand occasion; 规模空前 unprecedented in scale.
- Strongly positive/emphatic; often intensified as 空前绝后 (kōngqián-juéhòu) unmatched before or since.
- Register is elevated; used for events, achievements, turnouts.