taskmistress

She said: "I'm a hard taskmistress. If anything I've been easy on Scott so far, but soon he won't know what's hit him.

Under the baleful eye of Bessie Bosworth (a stern taskmistress in Jeanine Serralles' serenely sadistic performance), a gaggle of girls awkwardly goes through the drill of portraying such maidenly attitudes as Horror, Fright and Grief when they would rather be pounding one another in a mean game of basketball.

She was a kind taskmistress, but she settled for nothing less than perfection in the yarn I made.

His prolonged sixteen-year agony of remorse, presided over by his stern taskmistress Paulina with his urgent request that she never let him forget the gravity of his crimes, is implausible psychologically (no one can really be that sorry for that long) but is symbolically meaningful.

Her job with the veterinary clinic has been her consuming interest, although she admits that it's very difficult work and that her boss, one of the veterinarians, is a hard taskmistress. Marie has to be on her toes at all times: