Intelligence or mental ability

Cleverness or practical intelligence

चतुरता

English Usage: His smarts helped him navigate the tricky situation.

Hindi Usage: उसकी चतुरता ने उसे मुश्किल स्थिति में मदद की।

To cause a sharp pain or discomfort

To feel a sting of remorse or regret

पछताना

English Usage: He smarts from the harsh words she said.

Hindi Usage: वह उसके द्वारा कहे गए कड़े शब्दों से पछता रहा है।