This is the 976th most frequent Vietnamese word.
chua
"Sour" or "temple" (depending on context).
The word 'chua' is used to describe the sour taste of the fruit.
Trái cây này ăn chua.
This fruit tastes sour.
Here, 'chưa' is used to indicate an action that has not yet been completed.
Chúng ta vẫn chưa đến nơi.
We haven't arrived yet.
In this context, 'chua' is part of the idiom 'chua ngoa,' which describes a sharp or biting attitude.