Head
"in one ear and out the other"
not listening or paying attention
"give me a hand"
to ask for help
"raining cats and dogs"
when it's raining very hard
"in a pickle"
to be in trouble
"one in a million"
to be very special
"it's on the tip of my tongue"
you can't quite remember the answer
"getting cold feet"
to be nervous about an event
"ants in your pants"
when you can't sit still
"the apple of my eye"
to adore someone
"back to square one"
to have to start over
"hit the nail on the head"
"break a leg"
wishing someone good luck
"cat's got your tongue"
when you can't think of anything to say
"a piece of cake"
very easy to do
"put in my two cents"
to give your opinion
"bite off more than you can chew"
trying to do more than you can handle
"pulling my leg"
playing a joke
"eager beaver"
to be excited about working
"the big cheese"
someone who has an important job
"on cloud 9"
to be very happy
"let your hair down"
to relax, be casual and take it easy
"use some elbow grease"
to put more effort into a task
"on your high horse"
to think you are better than others
"to bring home the bacon"
to have a job and earn money
"do it by the numbers"
to follow the instructions exactly