reticence
🇺🇸
/ˈretɪsns/
🇬🇧
/ˈretɪsns/
The quality of being quiet and not willing to share personal information.
Despite his reticence, she could tell he was deeply affected by the news.
尽管他沉默寡言,她能感觉到他对这个消息深有感触。