start with A
Ants in your pants
Extreme restlessness
Bakers dozen
13 for the price of 12
Calm before the storm
calm before a crisis
Dime a dozen
very common and cheap
eat your words
take back somthing
at the drop of a hat
immediately
bite the bullet
prepare for a unpleasent experience
cool as a cucumber
very calm
drop in a bucket
a very small amount of something
elbow grease
hard working
apple of your eye
someone or something greatly loved
beat around the bush
avoid answering a question
cold feet
a fear of doing something
eleventh hour
the last minute
between a rock and a hard place
in a difficult situation
climbing the walls
be restless and frustrated
blow your own horn
praise yourself