Reported here:
"We made this meeting so luxurious, with singing and dancing, but see Obama, stepping out of his car chewing gum like an idler," wrote Yin Hong, a professor of journalism at Beijing's Tsinghua University, on the Twitter-like Sina Weibo micro-blog service. Twitter, like Facebook, YouTube and Instagram, is banned in China, whose censors fear such services could aid political protest.
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. . . idler or bungler or both he is willing . . .