整治 (zhěng zhì) means “to bring under control; to regulate; to restore to good condition; (coll.) to fix (a person); to prepare (a meal etc)”. It is an HSK 6 Chinese word in the HSK 3.0 vocabulary.
政府下决心整治环境污染。
Zhèngfǔ xià juéxīn zhěngzhì huánjìng wūrǎn.
The government is determined to bring environmental pollution under control.
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