He was apparently addressing the history of African Americans in the U.S. and attitudes regarding their place in contemporary society when he began his Chinese imitation.
"Look at how silly we look with a picket sign asking white people to look at us. You ever see the Chinese picketing? No. Can you imagine, Ching-ee-choo" with a picket sign?" asked Farrakhan.
Watch Farrakhans entire address, below: