tā / shén / qíng / àn / rán / de / zuò / zài / zhǔ / wèi / shàng / zhěng / gè / huì / chǎng / dùn / shí / ān / jìng / xià / lái

他神情岸然地坐在主位上，整个会场顿时安静下来。

He sat solemnly in the main seat, and the whole room immediately fell silent.