Correct option is D
Option (d) is the correct meaning of the given idiom.
Idiom: "Keep one's cards close to one's chest"
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Meaning: To be secretive or not reveal one's thoughts or plans. (
अपने विचार या योजनाएँ गुप्त रखना)
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Example: The CEO kept
his cards close to his chest about the company’s next big project.
Other related idioms and their meanings:
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"Play your cards right" – To make good decisions for success.
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"Show your hand" – To reveal one's intentions or plans.