Sheldon, do you really expect
to ENFORCE this?
The Big Bang Theory Season 3, Episode 15
How would you ENFORCE it?
The Big Bang Theory Season 9, Episode 18
You can't ENFORCE this.
The Big Bang Theory Season 11, Episode 14
Don't think you're gonna be there
to ENFORCE those orders.
Game of Thrones Season 5, Episode 8
Without the Unsullied to ENFORCE your rule,
Game of Thrones Season 4, Episode 5