the expanse of atmosphere visible from the earth, typically appearing as deep blue on clear days

used metaphorically to refer to a state of optimism or happiness

एक ऐसे मानसिकता की स्थिति जो सकारात्मकता या खुशी को दर्शाती है

English Usage: Despite the challenges, she maintained a blue sky attitude throughout the project.

Hindi Usage: चुनौतियों के बावजूद, उसने पूरे परियोजना के दौरान एक सकारात्मक मानसिकता रखी।