cat's-paw

例句：

1. 1.The cat's paw caught the mouse and it escaped.
   猫的爪子抓住了老鼠，它逃跑了。
2. 2. The cat's paw was stained with blood.
   猫的爪子沾满了血。
3. 3.The cat's paw was a gift from nature.
   猫的爪子是大自然的馈赠。