To shut the eyes quickly.

जल्दी से आंखें बंद करना

English Usage: He was blinking rapidly from the bright light.

Hindi Usage: वह तेज रोशनी से जल्दी-जल्दी आंखें झपका रहा था।

The act of closing and opening the eyes quickly.

आंखें झपकाना

English Usage: The blinking of her eyes indicated her surprise.

Hindi Usage: उसकी आंखें झपकाने से यह संकेत मिला कि वह चौंकी।