This is the 329th most frequent Vietnamese word.
sâu
The Vietnamese word "sâu" can mean "deep" or "worm" depending on context.
In this sentence, 'sâu' is used to describe a physical depth, indicating that the well extends far downward.
Cái giếng này rất sâu.
This well is very deep.
Here, 'sâu' is used metaphorically to describe an emotional depth, implying a profound or intense feeling.
Tình cảm của cô ấy dành cho anh ấy rất sâu.
Her feelings for him are very deep.
In this instance, 'sâu' describes spatial penetration, meaning to a considerable extent within or into a certain space.