她在舞台上的表演令人惊喜。

Her performance on stage ___was ___a ___revelation.

他对这个问题的洞察让团队大开眼界。

His insight into the problem ___was ___a ___revelation to the team.

发现他隐藏的艺术天赋令人惊喜。

Discovering his hidden artistic talent ___was ___a ___revelation.