taciturn

adj.

沉默寡言的，不爱说话的；

1. He didn't say anything because he was so taciturn.
   他不说一句话,因为他是如此沉默寡言。
2. He was taciturn and unsociable,and rarely spoke to you.
   他总是不声不响，冷冰冰的，难得跟你交谈。

HMS Taciturn (P314)
My Taciturn Valentine
Electronic mail turns taciturn teens into voluble letter writers
Taciturn patients in health counseling at a hospital: passive recipients or active participators?
Gryllus ovisopis N. Sp.: A Taciturn Cricket with a Life Cycle Suggesting Allochronic Speciation
Wireless/mobile communication aegis taciturn: "an automatic call detection & notification system"
Gryllus cayensis n. sp. (Orthopetera: Gryllidae), a taciturn wood cricket extirpated from the Florida Keys
Gryllus cayensis n.sp. (Orthoptera: Gryllidae), a taciturn wood cricket extirpated from the Florida keys: songs, ecology and hybrids.
THE IN TRAY; to Do Well at Work, You Also Have to Be Popular. Pete Clark Is Busy Perfecting His Taciturn Scowl
The Arts: Film: Humanity Goes to Hollywood ; Bruno Dumont Appears, at First Glance, as Sullen and Taciturn as the Characters in His ...