脑筋急转弯：Why are dogs afraid to sunbathe?

They will become hotdogs.

Yes , actually the doys are afraid of sunbathe to let them overheated and heatstroke . It is very dangerous for dogs. If in this case, you should cool down the dogs by ice.

狗为什么害怕日光浴？

They don't want to be hot-dog. 因为它们不想成为热狗。

hot-dog,译成中文是"愚蠢的家伙"的意思。