Tā / zài / huì / shàng / tán / dào / zhè / jiàn / shì / shí / yǔ / yān / bù / xiáng / dàjiā / réngrán / bù / zhīdào / zhēnxiàng

他在会上谈到这件事时语焉不详，大家仍然不知道真相。

When he discussed the matter at the meeting, he gave few details, so no one knew the truth.