La Palabra del Día : la mancha
la mancha - (noun) stain, spot, blemish, mark; blotch, liver spot
Post your sentences in Spanish and English, then vote for the ones you like. The best answer will be chosen tomorrow on the basis of the greatest number of votes and language correctness.
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And don't forget to correct your posts as suggested. Do NOT use subject pronouns!
Las manchas de café son difíciles a quitar
Coffee stains are hard to remove...
16 Answers
No culpe al perro por la mancha de la alfombra.
Do not blame the dog for the stain on the carpet. 
Las personas que fuman, tienen manchas feas en los dedos.
People who smoke, have ugly stains on their fingers.
El chico se comportó impecablemente en la boda de su hermana.
The boy behaved impeccably at his sister's wedding.
Edited because as Heidi says, one cannot use 'sin mancha' in the literal way I attempted.
We had a huge oil spill this year in the United States. We are still recovering from the disaster.
Tuvimos una enorme mancha de petróleo este año en los Estados Unidos. Todavía estamos recuperándonos del disastre.
His dishonesty puts a blot on his character. Su falta de honradez pone una mancha en su carácter.
Quitar las manchas de la ropa a veces es una misión imposible.
Removing the spots from the clothes sometimes is a mission impossible.
El que esté sin mancha tire la primera piedra.
Let he who is without blemish cast the first stone.
¿Qué es una mancha verde en la esquina de una clase?
Una aceituna castigada.
What is the green stain in the corner of the class?
A punished olive. (doesn't translate so well in English I'm afraid :()
Si usa una camisa blanca cuando come el espagueti, conseguirá una mancha, garantizada.
If you wear a white shirt when you eat spaghetti, you will get a stain, guaranteed.
Gracias a Miguel de Cervantes, La zona de la Mancha, España...es famosa por sus molinos de viento.
Thanks to Miguel de Cervantes, La Mancha, Spain... is famous for its windmills
Hay un sentido mas por, "La Mancha,"
There is another meaning for "La Mancha!"
¿Es una mancha cutánea (piel) o una mancha en mi hígado? ¿Dónde lo pusiste esa cerveza?
Is it a liver spot (skin) or a spot on my liver? Where did I put that beer.?
Generalmente llevo un producto para quitar las manchas en mi bolso.
Usually I carry a stain remover product in my purse.
El Quijote es la historia del famoso caballero andante, don Quijote de la Mancha. La Mancha es una región de España.
The Quijote is the history of a famous knight errant, Don Quijote of the spot, the spot is a region of Spain.
Don Quijote de Pablo Picasso
Cuando se hace un fuego en un bosque existe la posibilidad que se extienda como una mancha de aceite.
When you start a fire in woodland there's the possibility that it may spread like wildfire.
