alert, smart, and quick to react
चौकस, समझदार और तुरंत प्रतिक्रिया देने वाला (chaukas samajhdar aur turant pratikriya dene wala)
"You need to be on the ball to handle this job."
"इस काम को संभालने के लिए तुम्हें चौकस रहना होगा।" (is kaam ko sambhalne ke liye tumhe chaukas rehna hoga)
don't make plans for something that might not happen
eating healthy food helps you stay well
to remain loyal or supportive
to suddenly realize the solution to a problem
something that is being monitored or considered
something boringly repetitive