deaf mute

名词 deaf mute:

1. a deaf person who is unable to speak
   同义词：mute, deaf-mute, deaf-and-dumb person

形容词 deaf mute:

1. lacking the sense of hearing and the ability to speak
   同义词：deaf-and-dumb, deaf-mute

1. He's a deaf mute and cannot tell anyone secret.
   他是个聋哑人，不会把他们的秘密告诉任何人。