wordlessly       
adverb uk/ˈwɜːd.ləs.li/ us/ˈwɝːd.ləs.li/
 默默地;一语不发;一声不吭地
without any words being spoken
  He wordlessly pulled a camera from his pocket. 他一言不发地从口袋里掏出一架相机。 
 to stare/nod/point wordlessly 无言地凝视/一语不发地点头/一语不发地指着 
 See: wordless
 - More examples
 - They share a hug, wordlessly.
 - The entire story is told wordlessly, through movement.
 - The Ecuadorian people were somehow able to wordlessly convey an incredible degree of warmth and hospitality.