证人出庭作证，详细描述了案发当晚的情况。

The witness ___testified in court, describing the details of that night.

他的沉默证明了内心的不安。

His silence ___testified to the unease in his heart.

目击者在法庭上作证说看到了整个事件。

The witness ___testified in court that he saw the whole incident.