He learned Mandarin, started a trading business and married a Chinese woman, who converted to Islam.

他学会了普通话，开始做生意，还娶了个扳依伊兰教的中国姑娘。

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And he is more obedient in Mandarin than in English when an order comes in Chinese, he has learned, his parents are serious about it.

而且听到普通话时他会比听到英文更听话，如果我们用中文下命令，那么他会明白，父母这次是当真的。

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Having studied for five years under top Chinese professors, he now co-writes learned papers on Eastern medicine in Mandarin, drawing on a deep knowledge of ancient Chinese philosophy and cosmology.

ECONOMIST: The Greeks and the Chinese

Now my son is actually taking Mandarin at school so it is hard for me to judge how much he learned but the time spent told me something.

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