taciturn 

  1. 形容詞
(指天性傾向)沈默寡言的, 寡言的/
無言的, 話少的/
不太說話的/
木訥寡言的, 木訥的

    同義字詞
closemouthed,dumb,laconic,reserved,reticent,silent,tight-lipped,uncommunicative

例句

  1. All alike were taciturn and morose.
  2. Ponsford was a shy and taciturn man.
  3. The taciturn Maria appeared with coffee.
  4. People are not taciturn from discretion.
  5. He was taciturn –tall–and not very smart.