尽管计划看起来可行，那些反对者总是能找到问题。

Even though the plan looks feasible, the ___naysayers always find something wrong with it.

尽管大多数人都支持这个计划，但仍有少数反对者认为它行不通。

Although most people supported the plan, a few ___naysayers insisted it wouldn't work.