lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / nà / cì / kǔ / dié / dǎ / de / jīng / guò

历史课上，老师介绍了那次苦迭打的经过。

In history class, the teacher described how that coup d'état unfolded.