2 sentences

1. 古人讲究服饵之术，以求长生不老。

   gǔ​rén jiǎng​jiu fú ěr zhī shù, yǐ​qiú cháng​shēng​bù​lǎo.

   Ancient people believed in the art of consuming elixirs to seek immortality.

   Source: Dong Chinese Dictionary

2. 他每天刻苦练习，以求能在比赛中夺冠。

   tā měi tiān kè​kǔ liàn​xí, yǐ​qiú néng zài bǐ​sài zhōng duó​guàn.

   He practices hard every day in order to win the championship in the competition.

   Source: Dong Chinese Dictionary