to persevere; to persist; to keep at it; to hang on; to hold out; to do one's best; persevere; to persist; to keep at it; to hang on; to hold out; to do one's best; to insist that; to stick to; insist that; to stick to; to remain in a place; to stick to one's post; to refuse to budge; remain in a place; to stick to one's post; to refuse to budge
