Story highlights "We're going to have a great, great surprise"

Trump acknowledged that shuttling the health care legislation through the Senate is "very tough"

Washington (CNN) President Donald Trump struck a cautiously optimistic tone Wednesday, the day after Senate Republican leaders scuttled plans for a vote on health care reform this week in the face of stiff resistance from within the party's own ranks.

"We're going to have a big surprise," Trump said during a brief photo opportunity with reporters as he welcomed the World Series-winning Chicago Cubs at the White House. "We're going to have a great, great surprise."

Trump declined to say what the surprise would be, but his comments stood in contrast to the state of play on health care reform on Wednesday, with nine Republican senators publicly expressing their opposition to the Senate bill Trump is pushing and a pair of polls showing rock-bottom public support for the bill.

Hours before promising a "surprise," Trump acknowledged that shuttling the health care legislation through the Senate is "very tough," but said he believed he and Republicans would "get it over the line."

"We have given ourselves a little bit more time to make it perfect," he said in brief remarks in the White House's Roosevelt Room where he was hosting a roundtable on energy.

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