reticent　英 ['retɪsnt] 美 ['retɪsnt]

基本释义：

This is an adjective which means not revealing one's thoughts,or being reserved.

adj.寡言少语的；沉默的；谨慎的；讳莫如深的

例句：

1.He is a reticent and modest man.
他是个寡言少语、谦虚谨慎的人。
2.No one could elicit any response out of the reticent little girl.
没有人能从那个沉默的小女孩身上套出任何回答。