Whet a knife的用法和样例：
- When a knife in order to whet a knife manually and automatically,can divide and cut edge and whet a knife, already keep the sharpness of the razor blade,have improved working efficiency.
- He came running here with a knife held in one hand.
- A knife is one of the simplest of tools.
- His cheek was badly scarred by a knife cut.
- He came running here with one hand holding a knife.
- He scratched his name on the wall with a knife.
Whet a knife的相关资料：