I work out regularly to keep fit.
我经常做运动以保持健康。
She tries to keep fit by jogging every day.
她每天慢跑以保持健康。
I go swimming every day in order to keep fit.
我每天游泳以保持健康
To keep fit, you can switch to morning or lunchtime exercise.
为了保持健康，你可以转变到早上或午间锻炼。
She and her family bicycle to work, which helps them keep fit.
她一家人都骑自行车上班，这有助于保持健康。
