muddily

Adverb

 * 1) In a muddy manner.
 * 2) * July 18 2012, Scott Tobias, AV Club The Dark Knight Rises
 * Where the Joker preys on our fears of random, irrational acts of terror, Bane has an all-consuming, dictatorial agenda that’s more stable and permanent, a New World Order that’s been planned out with the precision of a military coup. Even his voice, projected muddily though[sic] that steel mask, has the authority of a prison-camp megaphone.

Translations

 * Polish: błotniście