adjective, adverb, noun, verb, punctuation, pronoun · having a high temperature, especially of the weather or environment

今天的天气非常热。

noun, adjective, verb · the quality or state of being hot; thermal energy

由于摩擦会产生大量的热，机器需要良好的散热。

verb, adjective · to warm something up or increase its temperature

把这碗汤热一下再喝。

adjective · characterized by intense emotion, passion, or enthusiasm

这个话题最近在网上讨论得特别热。