3 sentences

1. 你可能需要屈膝以避免接触地面。

   nǐ kě​néng xū​yào qū xī yǐ bì​miǎn jiē​chù dì​miàn.

   You may need to bend your knees to avoid touching the ground.

   Source: CCMatrix

2. 她向女王行了屈膝礼。

   tā xiàng nǚ​wáng xíng le qū​xī​lǐ.

   She curtsied to the queen.

   Source: AI Challenger 2017

3. 有人教我们如何向女王行屈膝礼。

   yǒu​rén jiāo wǒ​men rú​hé xiàng nǚ​wáng xíng qū​xī​lǐ.

   We were taught how to curtsy to the Queen.

   Source: AI Challenger 2017