unwilling to tell people about things 寡言少语；不愿与人交谈；有保留 She was shy and reticent. 她羞怯而寡言少语。 🔊🔊 - reticent about something
He was extremely reticent about his personal life. 他对自己的私人生活讳莫如深。 🔊🔊
Word Originmid 19th cent.: from Latin reticent- ‘remaining silent’, from the verb reticere, from re- (expressing intensive force) + tacere ‘be silent’.