ADJ-GRADED
(通常指年轻女子)羞涩的，娴静的
If you describe someone, usually a young woman, as demure, you mean they are quiet and rather shy, usually in a way that you like and find appealing, and behave very correctly.
例句
She's very demure and sweet...
她非常娴静可爱。
The luscious Miss Wharton gave me a demure but knowing smile.
性感迷人的沃顿小姐对我羞涩地会心一笑。