dà / jiā / hěn / kuài / fā / xiàn / zhè / wèi / zì / chēng / zhuān / jiā / de / rén / yuán / lái / shì / ge / kōng / xīn / dà / lǎo / guān

大家很快发现，这位自称专家的人原来是个空心大老官。

Everyone soon realized that this self-proclaimed expert was a fake important personage.