BEE’S KNEES a catch phrase indicating stylish in dress, excellent quality
BREAK A LEG – a way of wishing good luck to performers by using what seems to be wishing bad luck – theatrical superstitions
BUSMAN’S HOLIDAY – a person spending an activity that is much like what he or she actually does for a living. It dates back to the 1850s
DRESSED TO THE NINES – dressed to perfection. Originally it was not linked to a high standard of dress but could have referred to the high standards of an individual’s farm. There is no definite answer as to how it came about.
AT SIXES AND SEVENS – a state of confusion or disarray or people in a muddle. Its origin not known for certain