Tā / shuōhuà / zǒngshì / gùzuò / xuánxū / ràng / rén / cāi / bu / tòu / tā / de / zhēnshí / xiǎngfǎ

他说话总是故作玄虚，让人猜不透他的真实想法。

He is always deliberately mysterious, making it impossible to guess what he really thinks.