Each of us was examined, touching any knowledge we might have that could throw light upon his sudden disappearance or present whereabouts.

我们每个人都接受了检查，涉及我们可能拥有的任何知识， 这些知识可以阐明他的突然失踪或目前的下落。

The figure of Grandet, playing his own game with the false friendship of the two families and getting enormous profits from it, dominates the scene and throws light upon it.

格朗台的形象利用两个家庭的虚假友谊玩弄自己的游戏并从中牟取暴利，控制了场景并照亮了场景。