1. digress
Let us return to the point from which we digressed.
they may digress and leave the main point
2. do digress
3. to impress
The Grand Canyon never fails to impress people.
I'm impressed by her professionalism. / Sarah was hoping to impress him with her cooking.
He tried to impress me with his extensive knowledge of wine. I'm afraid the new theatre fails to impress. He tried to impress his teachers by using big words in his essays. It's important to impress your seniors if you want to be promoted.