onomatopoeia for crashing, clanging, or the sound of flowing water

大雨哗哗地落了下来。

onomatopoeia · interjection expressing surprise or admiration

哗！你的新家真漂亮！

onomatopoeia · a bound form representing a sound used to call or attract cats

他对着墙角的小猫“哗、哗”地唤了几声。

loud, confused noise or hubbub

人群中爆发出一阵哗笑声。