2 sentences for 騎 (jì — mount)

1. 汉代常以缇骑作为皇帝的侍卫。

   Hàn​dài cháng yǐ tí jì zuò​wéi huáng​dì de shì​wèi.

   In the Han Dynasty, red-clad guards often served as the emperor's bodyguards.

   Source: Dong Chinese Dictionary

2. 那一支精锐的铁骑向敌方阵营发起冲锋。

   nà yī zhī jīng​ruì de tiě jì xiàng dí​fāng zhèn​yíng fā​qǐ chōng​fēng.

   That elite cavalry unit charged toward the enemy camp.

   Source: Dong Chinese Dictionary