Many twitter users in Argentina and China have ridiculed Argentine President Cristina Fernandez de Kirchner for poking fun at how the Chinese speak.
During a visit to China, Ms Fernandez made reference to how some Chinese struggle to pronounce the letter "r".
Tweeting in Spanish, she wondered whether those at an event about trade were there for "lice" and "petloleum".
Her supporters said it was a light-hearted joke, but others disagreed.
"Cristina Fernandez's lack of judgement and respect is incredible," wrote @FaundezLafarga. "She goes to China looking for (economic) agreements and she makes fun of their accents."
Financial Times' journalist @GuyChazan wrote: "Faux pas in China. Really, this sort of joke went out of fashion in the 70s."
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