academic exercises.
an exercise in cheap talk.
an exercise in futility.
exert one's power or influence.
he did some exercising.
he warned against the use of narcotic drugs.
My personal trainer works me hard.
Pianists practice scales.
practice law.
practice makes perfect.
She works out in the gym every day.
skilled in the utilization of computers.
Some parents exercise their infants.
the doctor recommended regular exercise.
the physical exertion required by his work kept him fit.
this puzzle will exercise your mind.
We drilled French verbs every day.
work one's muscles.
you must work the examples at the end of each chapter in the textbook.