2 sentences for 改观 (gǎi​guān — transform)

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. 经过几年的治理，这个贫困村的面貌发生了巨大改观。

   jīng​guò jǐ nián de zhì​lǐ, zhè​ge pín​kùn cūn de miàn​mào fā​shēng le jù​dà gǎi​guān.

   After years of management, the outlook of this poor village has changed dramatically.

   Source: Dong Chinese Dictionary