4 sentences

1. 经过整顿，这里的环境大为改观。

   jīng​guò zhěng​dùn, zhè​lǐ de huán​jìng dà​wéi gǎi​guān.

   After the cleanup, the environment here has greatly improved.

   Source: Dong Chinese Dictionary

2. 有关部门责令该公司立即停业整顿。

   yǒu​guān bù​mén zé​lìng gāi gōng​sī lì​jí tíng​yè zhěng​dùn.

   Relevant authorities ordered the company to suspend operations immediately for rectification.

   Source: Dong Chinese Dictionary

3. 那个部门正在整顿工作作风以提高效率。

   nà gè bù​mén zhèng​zài zhěng​dùn gōng​zuò zuò​fēng yǐ tí​gāo xiào​lǜ.

   That department is reorganizing its work style to improve efficiency.

   Source: Dong Chinese Dictionary

4. 政府正在全力整顿市区内的交通秩序。

   zhèng​fǔ zhèng​zài quán​lì zhěng​dùn shì​qū nèi de jiāo​tōng zhì​xù.

   The government is making every effort to improve traffic order within the city.

   Source: Dong Chinese Dictionary