“On the same page”

“Be on the safe side”

To avoid risk by being careful.

“Ahead of the curve”

More advanced than others.

“Cross the line”

To behave in an unacceptable way.

“A slap on the wrist”

A very mild punishment.

“Down the road”

In the future.

“Brush up on”

To improve knowledge or skill in something.

“Fly under the radar”

To avoid attention or notice.

“End of the line”

The point where something cannot continue.