knife cheeks

例句：

1. 1. He had a knife cut on his arm while working in the garden.
   他在花园工作时被刀片割伤了手臂。
2. 2. She had a scar from her childhood battle with cancer.
   她有一颗童年时与癌症战斗留下的疤痕。
3. 3. The knife cut through the fabric easily.
   这把刀很容易就割破了布料。