随着调查展开，新的细节浮现出来。

As the investigation ___unfolded, new details emerged.

故事逐渐展开，逐一揭示其秘密。

The story ___unfolds gradually, revealing its secrets one by one.

当侦探找到线索时，谜团开始展开。

The mystery began to ___unfold when the detective found the clue.