1. The movie industry is trying to prevent people
from downloading films illegally.
2. If possible, I like to avoid eating junk food like
pizzas and hamburgers.
3. If you take the bypass, you'll avoid the rush hour
traffic in the city centre.
4. I don't care if you are my dad, you can't prevent
me from having a tattoo.

avoid (something or doing something) = evitar
prevent (somebody from doing something) = prevenir,
evitar, impedir