一本正经地

The children were behaving primly at the dinner party.
孩子们在晚宴上举止端庄。
She dressed primly in a knee-length skirt and button-down blouse.
她穿着齐膝的短裙和扣领衬衫，显得十分保守得体。
He sat primly on the edge of the chair, awaiting his turn to speak.
他正襟危坐在椅子边沿，等待着发言的机会。
The old-fashioned librarian kept her office in a primly ordered manner.
这位老派的图书管理员将她的办公室整理得井井有条。
Despite her prim appearance, she had a wicked sense of humor.
尽管她看起来很端庄，但实际上她有着顽皮幽默的一面。
The schoolmistress walked primly down the aisle, keeping strict control over her students.
校长女士沿着过道矜持地走着，严格管理着学生们的行为。
The teacher corrected our grammar primly, ensuring we understood the rules.
老师一丝不苟地纠正我们的语法错误，确保我们明白规则。
The primly arranged flowers on the table added an elegant touch to the room.
桌上摆放得整整齐齐的花束给房间增添了一种高雅的气氛。
The lady spoke primly with a hint of disapproval in her voice about the latest fashion trends.
那位女士讲话时带着一丝不满，谈论起最近的流行趋势来显得颇为古板。
The old mansion's entrance hall was decorated primly with antique furniture and oil paintings.
古老豪宅的大厅装饰得典雅庄重，摆满了古董家具和油画。