In a manner of gasping or breathing with difficulty.

हांफते हुए

English Usage: She ran so fast that she was speaking gaspingly.

Hindi Usage: वह इतनी तेज़ दौड़ी कि वह हांफते हुए बोल रही थी।

Describing something done with gasps or in a startling manner.

चौंकाने वाले तरीके से

English Usage: The gaspingly shocking news left everyone speechless.

Hindi Usage: हांफते हुए चौंकाने वाली खबर ने सभी को मूक कर दिया।