C2036 Mispronunciation

"Could it be 'whoosh'?" Wang Gongnan thought. The bird flapped its wings and took off. Wasn't there a "sou" sound in the written word?

Thus, he loudly chanted the word "sou" and knocked on the wooden fish.

Ah!

"Boom!"

However, as the wooden fish made a "duk" sound, his head hurt as if it had exploded. This was even more painful than last time. The pain caused his entire body to tremble