热 Strokes Write it Listen 热 rè to warm up; to heat up; hot (of weather) HSK 1 10 strokes Radical 灬 Sound + meaning 26 words Built from执soundzhíto execute; to grasp, to hold; to keep; to sieze, to detain灬meaninghuǒfire How it works灬 hints at the meaning (fire), and 执 zhí hints at the sound.