This is the 469th most frequent Vietnamese word.
cửa
"Door."
Here, 'cửa' represents a physical door that can be opened to provide entry.
Tôi mở cửa ra để đón khách.
I open the door to welcome guests.
Here, 'cửa' is used metaphorically to represent opportunities or pathways to advancement.
Học thêm kiến thức sẽ mở cửa cho nhiều cơ hội mới.
Learning more knowledge will open doors to many new opportunities.
In this sentence, 'cửa' is used as part of 'cửa sổ', meaning 'window' in Vietnamese, indicating an opening in a wall for light and air.