Zhè / bù / zuò / pǐn / de / sī / xiǎng / shí / fēn / xuán / ào / dú / zhě / xū / yào / zǐ / xì / sī / kǎo这部作品的思想十分玄奥,读者需要仔细思考。The ideas in this work are extremely abstruse, so readers need to think carefully.