tā / suī / rán / cān / jiā / le / huì / yì / dàn / duì / tǎo / lùn / de / nèi / róng / réng / bù / shèn / liǎo / liǎo

他虽然参加了会议，但对讨论的内容仍不甚了了。

Although he attended the meeting, he still had little understanding of what was discussed.