voicelessly
  (ad.)無聲地;無言地;□地
  Voice·less, a.
  1. Having no voice, utterance, or vote; silent; mute; dumb.
  I live and die unheard,
  With a most voiceless thought, sheathing it as a sword.   --Byron.
  2. Phon. Not sounded with voice; as, a voiceless consonant; surd.
  Voiceless stop Phon., a consonant made with no audible sound except in the transition to or from another sound; a surd mute, as p, t, k.
  -- Voice*less*ly, adv. -- Voice*less*ness, n.
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