It’s believed that US President Joe Biden and Chinese President Xi Jinping's relationship still has a way to go.  

The pair have met in San Francisco around APEC, where they discussed disrupting fentanyl drug production, resuming military communications, and assessing AI risk.  

Biden has since doubled down on his comments calling Xi a dictator.  

Otago University international politics expert Nicholas Khoo told Mike Hosking that there's very basic structural problems in the relationship. 

LISTEN ABOVE 

• Key issues remain unsettled between the US and China despite "productive" talks
• Biden and Xi discuss military communications, AI risk and climate change in bilateral meeting