3 sentences

1. 我不喜欢学习不规则动词。

   wǒ bù xǐ​huan xué​xí bù​guī​zé dòng​cí.

   I don't like learning irregular verbs.

   Source: Tatoeba

2. 其中两个结构由一系列不规则桥连接。

   qí​zhōng liǎng​ge jié​gòu yóu yī​xì​liè bù​guī​zé qiáo lián​jiē.

   Two of the structures are linked by a series of irregular bridges.

   Source: CCMatrix

3. 虽然他们不遵循公式，但有一些相当常见的不规则形式。

   suī​rán tā​men bù zūn​xún gōng​shì, dàn yǒu yī​xiē xiāng​dāng cháng​jiàn de bù​guī​zé xíng​shì.

   Although they do not follow a formula, there are some fairly common irregular forms.

   Source: CCMatrix