Instead of catching fish, all that he fished out was an oldboot.
他没有捉到鱼，捞到的是一只烂靴子。
2
Therefore, it was a common belief that an oldboot was a good luck charm.
因此，过去人们通常认为旧靴子是一种幸运符。
3
For instance, if a fisherman caught himself an oldboot instead of fish, it is believed that at the end of the day he would be able to catch and take home a huge amount of fish.