doubter

1. N-COUNT 持怀疑态度的人;(尤指在宗教或政治方面)信仰不坚定的人
   If you refer to people as doubters, you mean that they have doubts about something, especially their religious or political system.
   1. Some doubters fear this news may not be as good as it appears.
      有些持怀疑态度的人担心这条新闻并非像报道那般美好。

1. Some doubters fear this news may not be as good as it appears.
   有些持怀疑态度的人担心这条新闻并非像报道那般美好。
2. An agnostic is a doubter.
   不可知论者即是怀疑论者。
3. And I the believer was also the doubter;
   而我这个笃信者也是怀疑者；
4. Love is not naturally a doubter; fear is.
   爱并不是一个天生的怀疑者，恐惧则是。
5. We have to do a lot more than simply turn up, even the last doubter must be convinced of that by now.
   我们必须大量的去做，而不是只是发现问题，甚至彻底的怀疑论者现在也一定会深信这一点。
6. Based on the two charge pump, the paper proposed a novel high efficiency CMOS voltage doubter charge pump.
   本文基于对当前常用电荷泵的研究，提出了一种新颖的高效率CMOS电荷泵。

noun

1. someone who is doubtful or noncommittal about something

   Synonym:    agnostic

2. someone who habitually doubts accepted beliefs

   Synonym:    skepticsceptic