soundlessly
(ad.)無聲地,完全靜寂地,靜悄悄地
Sound·less, a. Having no sound; noiseless; silent. -- Sound*less*ly, adv. -- Sound*less*ness, n.
◄ ►
soundlessly
adv : without a sound; "he stood up soundlessly and speechlessly
and glided across the hallway and through a door" [syn:
noiselessly]