2 sentences for 后期 (hòu​qī — late stage)

1. 这种疾病在后期往往很难治愈。

   zhè zhǒng jí​bìng zài hòu​qī wǎng​wǎng hěn nán zhì​yù.

   This disease is often difficult to cure in its late stages.

   Source: Dong Chinese Dictionary

2. 播种之前，农民会先把土地平整一遍，方便后期灌溉。

   bō​zhǒng zhī​qián, nóng​mín huì xiān bǎ tǔ​dì píng​zhěng yī biàn, fāng​biàn hòu​qī guàn​gài.

   Before sowing, farmers level the land first to make subsequent irrigation easier.

   Source: Dong Chinese Dictionary