paint oneself into a corner
to get into a bad situation that is difficult or impossible to get out of
My friend has painted himself into a corner now that he has begun to fight with his supervisor.
Rules to Play Down Hill Skiing
Course
A typical course begins at or near the top of the mountain on a piste that is closed off to the public and groomed for the race. Gates are farther apart.The courses in the world's most notable ski areas are well established and do not change significantly year to year.The course is designed to challenge the best skiers in a variety of ways skiing at high speeds, through challenging turns, shallow dips, flats, and small airs (jumps). A good course will have all these elements in it, as well as some jumps intended to complicate matters and thrill both the racer and the spectators.