the sound of a duck quacking, a frog croaking, or a bird cawing
excellent
sound of cheering or applause; used as a bound form to describe something as being top-notch or excellent in the words 顶呱呱dǐngguāguā and 呱呱叫guāguājiào
呱呱gūgū
waa-waa
sound of a baby crying, particularly in classical contexts