verb, noun · to rule, govern, or manage a country or administrative affairs

他治下的一方百姓生活安稳。

verb · to treat a disease, medical condition, or patient

这种药可以治感冒。

verb · to punish, discipline, or bring someone to justice

犯了法就要治罪。

verb · to harness a river or control and wipe out pests or environmental issues

当地政府投入大量资金来治水。

noun · to study or engage in academic research

他在治学方面非常严谨。