熱 Simplified: 热 On the HSK 1 vocabulary list, at CEFR level A1. rè ㄖㄜˋ to warm up to heat up hot (of weather) heat fervent Where 熱 is used Example sentences and grammar articles using 熱 Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT