The Vietnamese word "chan chát" has a couple of important meanings and usages that you should know.
In terms of sound: "chan chát" describes a voice that is loud, sharp, and jangling. This could be a voice that is harsh or piercing, often used to describe someone who is scolding or reprimanding others loudly.
In literature: "chan chát" can also refer to something that is perfectly symmetrical, particularly in poetry. This means that two lines or verses have matching ideas or words.
Overall, "chan chát" is a versatile word that can be used in both everyday conversation and literary analysis.