steel knife-edge

例句：

1. 1. The chef useda steel knife to cut the meat.
   厨师用一把钢刀切肉。
2. 2. The sharpsteel knife-edge made it easy toslice through the tough steak.
   锋利的钢刀锋使切牛排变得轻而易举。
3. 3. Thechef's steel knife-edge wasso sharp that it could easily slice througheven the thickest steak.
   厨师的钢刀锋非常锋利，可以轻松切开最厚的牛排。