"China is a ticking delayed bomb as a rule," Biden said at a private raising money occasion in the western territory of Utah.
The leftist highlighted the country's high joblessness and maturing labor force, saying "China is in a tough situation."
"At the point when awful people have issues, they do terrible things," he said.
Biden outraged Beijing in June by depicting his partner Xi Jinping as a "despot," in a remark banged as a "incitement" by China's unfamiliar service.
Biden demanded Thursday that he was looking for "an objective relationship with China."
"I would rather not hurt China, however I'm watching," he said.
The US as of late relaunched its exchange with China, with a progression of visits to Beijing by senior American authorities, including boss representative Antony Blinken.
The point of Blinken's excursion was to turn the page on late pressures encompassing a Chinese inflatable portrayed as a "spy" activity that was shot somewhere near the US in February.