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