You really want to CHALLENGE yourself,
you could learn to speak Hindi.
The Big Bang Theory Season 10, Episode 22
The Big Bang Theory Season 1, Episode 2
With their support, none
could CHALLENGE us.
Game of Thrones Season 6, Episode 2
The CHALLENGE is declined.
Vikings Season 1, Episode 6
it was an unnecessary CHALLENGE
to our heterosexuality.
The Big Bang Theory Season 5, Episode 17