To redirect someone's attention, you can say "shift/redirect/guide their focus".

The origin of this phrase comes from the abipty to control and manipulate the focus of someone's attention, often in a persuasive or manipulative context.

Examples:

Can you shift the audience's focus to the main points of the presentation?
Let's redirect our attention to the more pressing issues.
The teacher tried to guide the students' focus back to the lesson.

Translations:

能否把听众的注意力转向演示的重点？
让我们把注意力转向更紧迫的问题。
老师试图把学生们的注意力引回课堂。