to work out	to find a solution to a problem or a way of dealing with a sitiuation
to turn up	to arrive, to come to see an event
to turn down	to reject
to take up sth	to start doing sth good as a habit
to take off	of a plane to leave the ground and begin to fly
to take over	to become the owner of sth that belonged to sb else
to take sth down	to write sth down
to take sth back	to admit what one said was wrong