Total

To know everything is to know nothing

To kill two birds with one stone

To kick against the pricks

To hit the nail on the head

To have rats in the attic

To have a finger in the pie

To go through fire and water (through thick and thin)

To go for wool and come home shorn

To get out of bed on the wrong side

To flog a dead horse

To fit like a glove

To fish in troubled waters

To find a mare's nest

To fight with one's own shadow

To fiddle while Rome is burning

To err is human

To eat the calf in the cow's belly

To drop a bucket into an empty well

To draw water in a sieve

To draw (pull) in one's horns

To cut one's throat with a feather

To cry with one eye and laugh with the other

To cook a hare before catching him

To come out with clean hands

To come out dry