However, some people, especially some youngsters, would say that she's too conservative - I heard lots of people describing her as a 'fuddy-duddy lady'.

conservative 是形容词，由动词 conserve（保存、保护）加上形容词后缀 -ative 构成，字面意思是"倾向于保存现状的"，引申为"保守的、守旧的"。 fuddy-duddy 是复合形容词，由两个拟声词组成，用来形容"思想守旧、古板的人"，带有幽默或轻微的贬义色彩。