Part I: Frogs and frogs croak,
Part II: Tiger and Worm Travel.
As a tiger, the pinyin is wèIhǔZuo chāng, which is an idiom in China, meaning an ancient superstition that the ghost of a person killed by a tiger helps the tiger hurt others, which is called ghost. Metaphor helps the wicked to do evil, and helps the bad guys to do bad things, which is an accomplice.