Hawk-eyed(adjective)
Meaning: watching carefully; vigilant.
Hindi meaning:चौकन्ना
Synonyms: Vigilant, Wary, Observant, Eagle-Eyed, Keen-Eyed
Antonyms: Heedless, Inattentive, Absentminded, Incautious
Example: A hawk-eyed policeman saved the lives of dozens of shoppers.
Trick to remember: Hawk ke jaisi eyes wala bada carefull hota h 
