Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE says she "can't imagine" running for president again but says in a new interview that she's "going to keep speaking out" about President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE.

“I can’t imagine that, no,” the former secretary of State and 2016 Democratic presidential nominee said Monday on Tina Brown's podcast "TBD" when asked whether she could change her mind about running in 2020.

“I am very worried about the direction that Trump and his allies are taking us,” she added. “Just because I’m not running, I’m not going to keep my mouth shut. I’m going to keep speaking out.”

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“How does a woman stand up for herself on the biggest stage in the world without ... looking aggressive, maybe a little bit angry, that somebody is behaving like that, being willing to go toe-to-toe when there are so few memories embedded in our collective DNA where women do that?” Clinton said of presidential debates.

“So yes, I'm willing to stand up for what I believe in ... but that is still kind of scary for some people. So how do you get on this kind of Goldilocks path where you're not too strong and you're not too weak, you're not too aggressive and you're not too passive? This is still a problem for women on the public stage.”

Clinton has signaled before that she would not launch a third White House bid after running in 2008 and 2016, though CNN White House correspondent Jeff Zeleny reported last month that Clinton had not ruled out making another White House bid in 2020.

Late last month on CNN, former Clinton campaign chairman John Podesta tamped down on speculation that she would pursue another presidential bid, calling the idea "media catnip" and emphasizing that Clinton "is not running."

In her interview on Monday, Clinton also criticized Trump while discussing his summit this week with North Korean leader Kim Jong Un in Vietnam, predicting that the U.S. would not leave discussions with an enforceable denuclearization deal.

“I've had so many guys who did business with [Trump] in real estate say, you know, he'd have a $15 million profit from a real estate deal which he would call $150 million and then he would call everybody and beg them not to contradict the press because he was going to tell them it was $150 million not $15 million,” Clinton said.

“So if he can put lipstick on a pig and he can say ‘OK this is what we're going to do with North Korea,’ and he keeps saying it over and over again and Fox News says it over and over again and other outlets say it over and over again.”