adv.無聲地；完全靜寂地；靜悄悄地
He walks slowly and soundlessly like a leopard. 他象一只豹子一樣緩慢無聲地走著。
I cried soundlessly in night that day. 那天夜里我無聲地哭了。
I counted ten in all, gliding almost soundlessly through the bleak white glare. 一共有十來個(gè)，靜悄悄地在這耀眼的燈光中挪動(dòng)。
