The verse "They didn't dare to ask him any more questions" (Luke 20:40) in the context of Luke 20 refers to the religious leaders (specifically, likely the Sadducees and Pharisees) being silenced by Jesus's clever and insightful answers to their attempts to trap him.

Here's a breakdown of what it means:

Context is key: In Luke 20, the religious leaders are actively trying to discredit Jesus and undermine his authority. They pose a series of tricky and controversial questions to him about his authority, paying taxes to Caesar, and the resurrection (a doctrine the Sadducees didn't believe in).

Jesus's masterful replies: Each time, Jesus responds with such wisdom, clarity, and force that he turns their questions back on them, exposes their hypocrisy, and silences their objections. His answers are so compelling that they realize they are unable to outwit him.

"They didn't dare": This phrase indicates that the religious leaders were intimidated and afraid to ask more questions. The word "dare" suggests a level of fear and respect had been instilled in them. This could be because:
They feared further embarrassment or humiliation in front of the crowds.
They realized that continuing to question him would only further solidify his authority in the eyes of the people.
They sensed that Jesus was intellectually superior and that they could not win an argument against him.

Implication of Power Dynamic: The verse highlights the shift in the power dynamic. The religious leaders, who were used to being in control, are now being outmaneuvered by Jesus. This contributes to the growing tension and foreshadows the events that will lead to his crucifixion.

In short, Luke 20:40 is an acknowledgment of Jesus's superior wisdom, authority, and rhetorical skill. It emphasizes the failure of the religious leaders' attempts to trap him and shows their fear of further challenging him. It also reinforces the idea that Jesus is not easily manipulated or controlled.