Walking on this field is taboo, 15 letters
Demand from a substance abuse counselor?, 15 letters
DON'T spoil the sod!, 15 letters
Retain as an employee, 6 letters
Retain in employment, 6 letters
Words with truckin\', 6 letters
Occupy continuously, 10 letters
Maintain a cheerful disposition, 14 letters
Continue to practice, as a profession, 14 letters
Continue plugging along, 15 letters
Persist despite hardship, 15 letters
You'll crack this puzzle if you ___, 15 letters
Words of encouragement to a Brit?, 13 letters
Persevere, like a teamster?, 13 letters
Prevent from closing, 8 letters
Prevent from entering, 7 letters