- Buena obra: a good deed.
- Estar en obras: to be under construction or under repairs.
- Cuerpo de la obra: main part of a book, brochure, pamphlet.
- Cerrado por obras: to be closed for repairs.
- Manos a la obra: let’s start (doing something), let’s go.
- Mano de obra: workforce, labor force.
- Obra (arquitectura): (architecture) building (finished or in progress.)
- Obra de arte: artwork.
- Obra benéfica: charity work.
- Obra completa: complete works.
- Obra de caridad: charity work.
- Obra de referencia: reference work.
- Obra de teatro: (theater) play.
- Obra maestra: masterpiece.
- Obra pública: public works.
- Obras viales: roadworks.
- Pecar de obra: to sin by deed.
- Poner (un plan, proyecto) en obra: to set (a plan, a project) in motion, to start working on something.
- Por obra (y gracia) de: because of, due to, thanks to.
- Saber vida y obra de alguien: to know everything about someone’s life.
- Ser obra de alguien: to be someone’s doing.
- Vida y obra: life and works.
