yóu / yú / zhǔn / bèi / de / bǐ / jiào / cū / shū / tā / zài / huì / yì / shàng / wú / fǎ / huí / dá / xì / jié / wèn / tí

由于准备得比较粗疏，他在会议上无法回答细节问题。

Because he prepared rather carelessly, he could not answer detailed questions at the meeting.