Jìzhě / duōcì / zhuīwèn / shìgù / yuányīn / dàn / fùzérén / shǐzhōng / yǔ / yān / bù / xiáng

记者多次追问事故原因，但负责人始终语焉不详。

The reporter repeatedly asked about the cause of the accident, but the person in charge never gave a clear explanation.