热爱 is a verb meaning 'to love passionately' or 'to be deeply devoted to' something — stronger and more enduring than simple 喜欢 (xǐhuān, 'to like'). The first character 热 (rè) literally means 'hot' or 'intense', evoking warmth, energy, and enthusiasm; the second character 爱 (ài) means 'love'. Together, they form a compound expressing heartfelt, wholehearted devotion — not just emotional affection but also active commitment and sustained interest.

This word is commonly used with nouns representing pursuits, causes, professions, or values: e.g., 热爱音乐 (loving music passionately), 热爱祖国 (deeply loving one’s country), or 热爱教学 (being devoted to teaching). It often appears in formal speech, writing, or inspirational contexts — such as speeches, essays, or personal statements — and conveys sincerity, maturity, and seriousness of purpose. While it can describe personal interests, it rarely applies to fleeting emotions or casual preferences.