As flat as a ___ (extremely flat)
Pancake
To be ___ in ___ (not intended seriously)
Tongue in Cheek
All roads lead to ___ (Different paths can take one to the same goal)
Rome
To have ___ left feet (clumsy)
Two
Like a ___ with its head cut off
Chicken
A big ___ (very important figure)
Cheese
To bring someone/something to its ___ (to defeat)
Knees
See ___ and die (die peacefully, since nothing else can match its beauty)
Naples
To have ___ too many (drunk)
One
Hold your ___
Horses
A piece of ___ (easy/pleasant task)
Cake
To get cold ___ (become nervous)
Feet
The walls of ___ didn't fall down in a day (fight hard to achieve something)
Jericho
To happen twenty-four-___ (all the time)
Seven
To kill two ___ with one stone
Birds
To rub ___ in the wound (make it feel worse)
Salt
To keep at ___'s length (stay at a distance)
Arm
___ was not built in a day (it takes awhile to create something complicated)
Rome
To take ___ (take a break)
Five
The ___ race
Rat
To have bigger ___ to fry (more pressing issues to attend to)
To shoot oneself in the ___ (act against one's own interests)
Foot
Pardon my ______
French
To look/feel like a ___ dollars (extremely well)
Million
To be a lame ___
Duck