On many issues, the two candidates are indistinguishable.两位候选人在许多议题上的观点都难分彼此。

Replica weapons are indistinguishable from the real thing.仿真武器与真正的武器很难区分。

In most cases the copies were indistinguishable from the originals.在大多数情况下, 副本和原件区分不开。

At that moment, she heard Paula's voice, although the words were indistinguishable.在那一刻, 她听到了葆拉的声音, 尽管听不清她说了些什么。