skeptic的中文翻譯是什麼意思

She is a skeptic about the dangers of global warming.

她是全球變暖危險的懷疑論者.

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

一到淡季那個苗條的懷疑者就逃學, 這表現了她的懶散.

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

我和 無神論 者們一樣,認為更換日曆是一種專制的傳統.

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

我將如何使懷疑論者確信他要關注我的研究 呢 ?