Dead-cathole refers to the space between the top of a car tire and the body of the car, in other words, the space between a car's tire and the wheel well.
（死猫洞）指汽车轮胎上部与车体之间的空隙，也就是汽车轮胎和轮仓之间的那个空隙。
2
Have they made "a curious appearance in the air" and "vanished" as the Cheshire-Cat used to do in the Rabbit Hole?
他们是向兔子洞里嬉皮笑脸的猫那样在空中做了一个怪异的表情后消失了吗？
3
A black cat was sitting outside a mouse hole for a few days.