https://www.youtube.com/watch?v=1hmfzFh56Vo

Ronda Rousey knows her next UFC fight won't be a cakewalk. But she's stll going to beat Holly Holm.

“She’s a nice chick. I don’t have anything against her," Rousey told Jimmy Fallon on "The Tonight Show" on Tuesday. "She’s a nice chick that’s going to lose.”

In an interview that lasted longer than her fights--in August she knocked out opponent Bethe Correia in 34 seconds during a match in Brazil, and months earlier in March she went viral after a 14-second knockout fight against Cat Zingano--she said, "This one's going to be a much longer fight because she's a 19-time boxing world champion with 100-percent takedown defense and like head kick knockouts.

"She's undefeated and an amazing athlete, definitely the biggest threat to me. Especially on paper and stylistically, she's the type of fighter you have to be very, very patient with."

For Rousey, saying anything remotely kind to her opponents pre-fight is rare.

"I feel like she's going to try to keep distance and keep far away from me and get me frustrated until I make a mistake and she can try and kick me in the head but it's not going to go like that," she said.

She'll be ready, though, and she'll have a game face.

"When I was a little kid, my godfather was trying to give me tips on how to have game face," she said "He was like, 'You have to look at them through your eyebrows'...I was like 11 years old. Now I think things at them and it shows in my eyes."

The athlete-actress is readying to make a big Hollywood leap. She reportedly will star in her own biopic based on her memoir "My Fight/Your Fight," as well as take on Patrick Swayze's role in a forthcoming reboot of 1989's "Road House." She's also vying to play Ms. Marvel.

Previously Rousey has had big screen roles in “The Expendables 3,” “Furious 7″ and
“Entourage,” appearing as herself.