not let the grass grow beneath (one's) feet

not let the grass grow beneath (one's) feet

To be continually active; to not stand still or be idle. Often used as an imperative. Don't let the grass grow beneath your feet, kid. Get to work! Tell them not to let the grass grow beneath their feet—I want this shed finished by the end of the day.See also: beneath, feet, grass, grow, let, not