doubters
n.怀疑者:对某事或某人表示怀疑或不信任的人。
例句
Some doubters fear this news may not be as good as it appears.
一些持怀疑态度的人担心这条新闻可能并非像其表面上那样美好。
《柯林斯英汉双解大词典》
Do you remember all years when scientists argued that smoking would kill us but the doubters insisted that we didn't know for sure?
还记得那些年吗?当初,科学家提出吸烟会导致死亡,而怀疑者们却坚持认为我们还不能确认这一点。
Doubters may shake their heads.
怀疑者可能会摇头。