People are still taking about Julianne Hough's harsh comments to pro dancer Maksim Chmerkovskiy on "Dancing With the Stars" four nights ago, and Chmerkovskiy himself is now saying he didn't think her comments were "well thought out."

Hough, a former "Dancing" pro who has twice won the championship, appeared on the show Monday as a guest judge, and raised eyebrows - and also drew a chorus of boos from the audience - when she accused Chmerkovskiy of not trying hard enough because he wasn't as committed to his temporary partner.

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Because the theme of Monday's show was partner switches, Chmerkovskiy found himself partnered with actress Danica McKellar, instead of his partner for the season, Olympian ice dancer Meryl Davis.

During the judges' critiques after McKellar's performance, Hough said she believed Chmerkovskiy hadn't expended enough effort, adding that she felt "like you just had to phone it in so you could get back with Meryl."

Chmerkovskiy, who has been known for being outspoken in his response to judges' critiques, simply replied: "That was definitely not the case but thank you."

In an interview that aired today on " Good Morning America," he had more to say.

"It felt like she just said something, didn't think it through, then started talking over herself. So it wasn't well thought out," he said.

"And Julianne has my number, whenever she wants to call and apologize, I'm ready," he added, laughing.

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Chmerkovskiy's younger brother, Valentin, is McKellar's partner for the season. After the scores were handed down, he defended his brother's performance.

In subsequent interviews, Hough has said her comments weren't meant to be malicious and that she thought highly of Chmerkovskiy.

Maksim Chmerkovskiy, Davis, Charlie White - Davis' Olympic partner who's also a star contender on "Dancing," and White's pro partner, Sharna Burgess, all talked to "GMA" about how well they've come to know each other on the show.

Davis revealed that her Olympic partner was more nervous about participating in the 2014 Winter Olympics in Sochi, Russia, than he was about hitting the "Dancing" ballroom.

The performances in next week's show will be set to Disney hits.