HOLD YOUR HORSES
LET THE CAT OUT OF THE BAG
IN HOT WATER
CAUGHT BETWEEN TWO STOOLS
COST AN ARM AND A LEG
KNOCK ONE'S SOCKS OFF
BUTTERFLIES IN ONE'S STOMACH
LOSE ONE'S MARBLES
UNDER THE WEATHER
COLD FEET
A PIECE OF CAKE
HIT THE SACK
PULL ONE'S LEG
ALL EARS
AT THE DROP OF A HAT
TO LOSE COURAGE TO DO SOMETHING YOU HAD PLANNED
SOMEHING VERY EASY TO DO
TO ACT IN A CRAZY OR STRANGE WAY
INMEDIATELY, WITHOUT ANY DELAY
TO DELIGHT, THRILL OR AMAZE
TO GO TO BED
TO REVEAL A SECRET UNINTENTIONALLY
TO BE VERY NERVOUS OR ANXIOUS
TO BE VERY EXPENSIVE
TO BE ILL
TO BE EAGER TO LISTEN CAREFULLY
TO CONSIDER THINGS CAREFULLY
TO BE UNABLE TO CHOOSE BETWEEN TWO ALTERNATIVES
TO PLAY A JOKE IN A FRIENDLY WAY
TO BE IN DIFFICULTIES, IN SERIOUS PROBLEMS