We can't UNDERESTIMATE them.
Money Heist Season 3, Episode 8
You continue to UNDERESTIMATE
my capabilities, madam.
The Big Bang Theory Season 2, Episode 2
You UNDERESTIMATE me.
The Big Bang Theory Season 2, Episode 18
Well, first of all, don't UNDERESTIMATE
the value of discomfort.
The Big Bang Theory Season 2, Episode 22
They'll UNDERESTIMATE us every time,
and we will use that to our advantage.
Game of Thrones Season 6, Episode 4