taciturn GREGMAT专八

1.Why do the aged tend to be taciturn?

很多老年人为什么沉默寡言？

2.he is a reserved, almost taciturn man.

他是个拘谨而沉默寡言的人。

3.The ant is the most industrious animal; however, it is the most taciturn one.

没有任何动蚁更勤奋，然而它却最沉默寡言。