Wu (one of the families of the Chinese language)

rumblingly noisy / Alternative spelling of 囂々 (gōgō, “clamorous”)

bold statement

to make a bold statement

clamorous

(onomatopoeia) sound of coughing, hack hack

gurgly.

A gurgling sound.

A class representative, in the context of an elementary school or junior high school.

相碁: A match, as when two go players are evenly matched in ability. / 藍子: A rabbitfish (Siganus fuscescens).