doubter

And I the believer was also the doubter;

而我这个笃信者也是怀疑者；

Echidna: I do, doubter. Go on.

针鼹鼠：我确实知道，怀疑者，继续说。

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。

An agnostic is a doubter.

不可知论者即是怀疑论者.

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。

Love is not naturally a doubter; fear is.

爱并不是一个天生的怀疑者，恐惧则是。