WASHINGTON — President Joe Biden will hold talks Saturday with China's Xi Jinping on the sidelines of an international summit in Peru, a face-to-face meeting that comes as Beijing braces for Donald Trump's return to the White House. White House National Security Adviser Jake Sullivan said the meeting will take place while the two leaders are in Lima for the Asia-Pacific Economic Cooperation summit. That will come just over two months before Trump's inauguration.

Sullivan was opaque about how Biden and administration officials will answer expected questions from Xi and his aides about the incoming Trump administration. "Transitions are uniquely consequential moments in geopolitics. They're a time when competitors and adversaries can see possibly opportunity," Sullivan said.

"And so part of what President Biden will communicate is that we need to maintain stability, clarity, predictability through this transition between the United States and China." During his campaign against Vice President Kamala Harris, Trump promised to slap blanket 60% tariffs on all Chinese exports to the U.S.

, a move that would jolt the already tumultuous relationship between Beijing and Washington. Washington and Beijing have long had deep differences on the support China has given to Russia during its war in Ukraine, human rights issues, technology and Taiwan, the self-ruled democracy that Beijing claims as its own. A second Trump administration is expected to test U.

S.-China relations even more tha.