reticent

US /ˈret̬.ə.sənt/
UK /ˈret̬.ə.sənt/
"reticent" picture
1.

緘默的, 不愛說話的, 有保留的

not revealing one's thoughts or feelings readily

:
He was very reticent about his past.
他對自己的過去非常緘默
She remained reticent, refusing to answer any questions.
她保持沉默,拒絕回答任何問題。