Maybe since you're so good,
he's taking his time to meet the CHALLENGE.
The Big Bang Theory Season 6, Episode 6
She has set me a CHALLENGE
Vikings Season 1, Episode 9
The CHALLENGE is declined.
Vikings Season 1, Episode 6
Challenge accepted! Sounds like it's time
for the Sheldon Cooper Apology Tour!
The Big Bang Theory Season 9, Episode 13
Some boys like a CHALLENGE.
Game of Thrones Season 2, Episode 10