lǎo / shī / ràng / wǒ / men / chá / yuè / zī / liào / liǎo / jiě / fǎn / Yuán / dòu / zhēng / de / lì / shǐ / bèi / jǐng

老师让我们查阅资料，了解反袁斗争的历史背景。

The teacher asked us to consult sources and learn about the historical background of the war against Yuan Shikai.