tā / zǒng shì / yòng / zhuān yè shù yǔ / huí dá / jiǎn dān / wèn tí / ràng rén / jué de / mò cè gāo shēn

他总是用专业术语回答简单问题，让人觉得莫测高深。

He always answers simple questions with technical jargon, making himself seem enigmatic.