
You really want to CHALLENGE yourself,
you could learn to speak Hindi.
The Big Bang Theory Season 10, Episode 22

must I CHALLENGE the law?
Vikings Season 1, Episode 1

Tell Ragnar Lothbrok
I accept his CHALLENGE.
Vikings Season 1, Episode 6

it was an unnecessary CHALLENGE
to our heterosexuality.
The Big Bang Theory Season 5, Episode 17

There would be greater shame
in accepting a CHALLENGE from a criminal.
Vikings Season 1, Episode 6