a glass of water
A glass of water, please.
I'm going to drink a glass of water.
Fill a glass with water.
Tom pegou um copo de água para Maria.
Tom got Maria a glass of water.
Can I get a glass of water?
Eu pedi para o Tom um copo de água.
I asked Tom for a glass of water.
Eu disse a ela que se sentasse e tomasse um copo de água.
I told her to sit down and have a glass of water.