yóu / yú / lù / shàng / dǔ / chē / tā / shān / shān / lái / chí / huì / yì / yǐ / jīng / kāi / shǐ / le

由于路上堵车，他姗姗来迟，会议已经开始了。

Because of traffic, he arrived late and leisurely, and the meeting had already begun.