
- Just as CHALLENGING as you?
- Yeah...
The Big Bang Theory Season 10, Episode 5

wow, a CHALLENGING time,
to put it mildly.
Breaking Bad Season 2, Episode 10

It's like me CHALLENGING you
to a sexy pants contest.
The Big Bang Theory Season 8, Episode 19

It really doesn't matter
as long as it's CHALLENGING.
The Big Bang Theory Season 10, Episode 22

...indicating he's CHALLENGING
the ruling on the field.
The Big Bang Theory Season 3, Episode 6