As animals are afflicted with fear in hearing the voice of the roaring lion, so were that force on hearing those sounds.
यथा सिंहस्य नदतः स्वनं श्रुत्वेतरे मृगाः। त्रसेयुर्निनदं श्रुत्वा तथाऽसीदत तद्बलम्॥