Off guard(phrasal verb)
Unprepared for a surprise or difficulty.
Hindi meaning:ध्यान न रहना
Synonyms: Unprepared, Unready, Inattentive, Unwary
Antonyms: Mindful, Attentive, Observant
Example: The government was caught off guard by the unexpected announcement.
Trick to remember: guard sahab ka dhyan off hote hi chori ho gayi 
