Half his face was obscured with blood, but there wasn't any mistaking him.
In any case, explaining these rules might obscure the nature of the game somewhat for a person unfamiliar with it.
Do not try to obscure your purpose with a screen of medical polysyllables, Doctor.
The little rise the church was on was completely obscured with snow.
The scene of the tiny world was again obscured with the fog, the caves hidden.
And you need not worry about obscuring a window with an air-conditioner as the apartment has central air.
That way, their flavor is not overly obscured with sauces of any sort.
Completely obscured by darkness, with ignition out of commission, the situation reached a critical point.
The one in her mouth was obscured with blood.
The screen is obscured by animated images with accompanying sounds associated to her.