Lìshǐ jìzǎi duì cǐ shì yǔyānbùxiáng, zhìjīn réng shì yí ge mí.
Historical records gloss over this event, and it remains a mystery to this day.
Tips
history
From Han Yu's Tang-dynasty essay 《原道》: '荀与杨也,择焉而不精,语焉而不详。' Han Yu criticizes the philosophers Xun Zi and Yang Xiong for choosing without precision and speaking without detail.
usage
Often describes evasive witnesses, vague reports, or terse historical records. Commonly follows 对...(对此事 / 对此问题). Slight pejorative overtone — implies the speaker is withholding or being careless.