1. hot; high temperature; to become hot
E.g.: 熱湯 (boiling water), 焦熱 (intense heat)
2. body heat; fever
E.g.: 熱病 (fever), 微熱 (slight fever)
3. to devote oneself to; to be obsessed with; to be enthusiastic
E.g.: 熱狂 (enthusiasm), 熱烈 (passionate)
4. heat source; capacity to raise temperature
E.g.: 熱源 (heat source), 加熱 (heating)
