Thủy Tinh is a type of transparent material used to make household items.

Thủy lợi is a system of water works to serve agricultural production.

Sơn thủy is a form of art that combines painting (sơn) and sculpture (thủy).

He is very loyal to his girlfriend.

He is always faithful to his love.

Thủy âm is a traditional musical instrument of Vietnam.

She is very loyal to her boyfriend.

She always shows loyal affection to her boyfriend.

An aquarium is a place to display and raise marine creatures.

Hydropower is an important renewable energy source.