skeptic的中文翻译是什么意思

She is a skeptic about the dangers of global warming.

她是全球变暖危险的怀疑论者.

The slender skeptic skips school in slack seasons, which signifies her slackness.

一到淡季那个苗条的怀疑者就逃学, 这表现了她的懒散.

I agree with the skeptic at this point : the change of calendar is an arbitrary conventionalism.

我和 无神论 者们一样,认为更换日历是一种专制的传统.

How am I going to convince this skeptic that she should attention to my research?

我将如何使怀疑论者确信他要关注我的研究 呢 ?