‘Lóng yín hǔ xiào’ literally means ‘dragon’s hum and tiger’s roar’—a vivid, classical Chinese idiom evoking the awe-inspiring, majestic sounds of two legendary animals. The dragon (龙), a symbol of power and auspiciousness in Chinese culture, is said to emit a deep, resonant hum (吟), while the tiger (虎), representing courage and authority, lets out a commanding, earth-shaking roar (啸). Together, these sounds convey overwhelming grandeur, heroic energy, or an atmosphere charged with vitality and dominance.

The phrase is used almost exclusively in literary, poetic, or rhetorical contexts—not in everyday speech. It often appears in descriptions of natural phenomena (like wind through mountain gorges or crashing waves), martial arts scenes, historical epics, or performances that embody heroic spirit. Because it draws on mythic imagery and classical diction, it carries strong connotations of nobility, strength, and timelessness, and is frequently found in poetry, opera, wuxia novels, and formal speeches.