a piece of
Tom se sirvió un trozo de pizza.
Tom served himself a slice of pizza.
It's just a piece of meat.
Se les dará un trozo de tierra, luego otro y al final todo.
They will be given a piece of land, then another, and eventually all of it.
— El Gatopardo (1963)
Unas tablas con un trozo de terciopelo, Majestad.
Some boards with a piece of velvet, Your Majesty.
— Aguirre, la ira de Dios (1972)