unclearly russian

• нея́сно

  unclearly, vaguely, indistinctly, dimly

• невня́тно

  indistinctly, inarticulately, unintelligibly

  vaguely, unclearly

• му́тно

  turbidly, muddily, murkily

  dimly, vaguely, hazily, unclearly

  suspiciously, fishily, shadily