Obama: I'm tired of talking about Trump
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President Obama on Monday evening urged supporters to aggressively campaign for the remainder of the presidential election to get Democratic nominee Hillary ClintonHillary Diane Rodham Clinton5 things to know about Boris Johnson Trump says Omar will help him win Minnesota The Hill's Morning Report — Trump applauds two-year budget deal with 0 billion spending hike MORE to the White House.

At a fundraiser in Martha’s Vineyard, Mass., during the first family's vacation this week, Obama noted the unpredictable nature of this year’s election and warned Democrats to not take the race for granted.

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“I’m here because we’ve got an election. And although Michelle is very strict about me actually taking a vacation when I get a vacation, she gave me a special dispensation for this evening because she understands, just as all of you understand, how important this is," he said.

"If we are not running scared until the day after the election, we are going to be making a grave mistake,” he added later, according to the White House pool report.

"We are still going to have to fight what has been an unrelenting negative campaign against her that has made a dent in the opinion of people even who are inclined to vote for her," he said of Clinton.

"We've got be aggressive in our campaign for 80 days, and that's not a lot," Obama added.

The president touted Clinton’s experience and highlighted their time working together when she served as secretary of State in his administration, saying he’s personally seen her work under pressure.

Obama noted that he doesn’t have to spend a lot of time invoking GOP nominee Donald TrumpDonald John Trump5 things to know about Boris Johnson Conservatives erupt in outrage against budget deal Trump says Omar will help him win Minnesota MORE because of his proclivity for inflammatory comments that hurt his campaign.

"Frankly I'm tired of talking about her opponent," Obama said. "I don't have to make the case against her opponent because every time he talks, he makes the case against his own candidacy."

While Obama may have stopped short of making a case against Trump on Monday night, he has not been hesitant to rail against the GOP nominee this year. Earlier this month, he said Trump is "unfit" to be president.

The fundraiser comes as Clinton has seen a bounce in the polls. She holds a comfortable lead nationally over the real estate mogul and in top battleground states as well as GOP-leaning states.