A

→Achilles' heel

→Adam's apple

→Fools rush in where angels fear to tread.

→the apple of a person's eye

→have an ax(e) to grind

B

→babes [a babe] in the wood(s)

→throw the baby out with the bath water

→get a person's back up

→badger

→climb [get, jump] on the bandwagon

→I wouldn't touch…with a barge pole.

→His bark is worse than his bite.

→not [never] bat an eyelid

→the Order of the Bath

→full of beans

→get out of bed on the wrong side＝get up on the wrong side of the bed

→have a bee in one's bonnet

→saved by the bell

→go [turn] belly up

→for better (or) for worse＝for better or worse

→A little bird told me.

→the birds and (the) bees

→above board

→burn one's boats (behind one)

→boater

→shoot one's (last) bolt

→a bone of contention

→bow and scrape

→bang [knock, run] one's head against a brick wall

→bubble and squeak

→a bull in a china shop

→take the bull by the horns

→bite [《英》 bite on] the bullet

C

→Caesar's wife must be above suspicion.

→take the cake

→kill the fatted calf

→burn the candle at both ends

→cannot hold a candle to…

→not worth the candle

→in the cards

→Care killed the [a] cat.

→(the) carrot and (the) stick

→bell the cat

→fight like Kilkenny cats

→like a cat on a hot tin roof ＝ 《英》 like a cat on hot bricks

→play cat and mouse with a person

→put [set] the cat among the pigeons

→rain [come down] cats and dogs

→The cat is out of the bag.

→give [throw] a sop to Cerberus

→by a long chalk

→get no change out of a person

→give a person (his) change

→chapel

→Say cheese!

→grin like a Cheshire cat

→count one's chickens (before they are hatched)

→take it on the chin

→a chip off the old block

→have a chip on one's shoulder

→let the chips fall where they may

→when the chips are down

→square the circle

→show the cloven hoof

→live [be] in clover

→carry [take] coals to Newcastle

→haul a person over the coals

→The coast is clear.

→coat of arms

→hot under the collar

→lower one's colors

→nail one's colors to the mast

→with flying colors

→send a person to Coventry

→till [until] the cows come home

→as the crow flies

→off the cuff

→the cut and thrust

D

→the sword of Damocles＝Damocles' sword

→the day of reckoning

→deathwatch beetle

→divide and rule

→a dog in the manger

→drum up

→drummer

→like water off a duck's back

→take to…like a duck to water

E

→wet behind the ears

→have one over the eight

→bend [crook, lift, raise, tip] an elbow

→go off (at) the deep end

→His eyes are bigger than his belly [stomach].

→not [never] bat an eyelid

→cut one's eyeteeth

F

→a feather in one's cap

→take the fifth

→flash in the pan

→flash in the pan

→before the Flood

→land on one's feet

→take time [occasion] by the forelock

→touch [tug at] one's forelock

→marry a fortune

G

→throw down the gauntlet

→tell a person where to get off

→Don't [Never] look a gift horse in the mouth.

→take the gilt off the gingerbread

→give me liberty or give me death!

→What gives?

→Glory be!

→worth one's [its] weight in gold

→kill the goose that lays the golden eggs

→make the grade

→against the [one's] grain

→teach one's grandmother (how) to suck eggs

→let the grass grow under one's feet

→grind the faces of the poor

→in the groove

→get in on the ground floor

→up a gum tree

→spike a person's guns

H

→a [the] hair of the dog (that bit one)

→hang by a hair

→hammer and tongs

→hand

→Down the hatch!

→bury the hatchet

→bury one's head in the sand

→need to [ought to, should] have one's head examined

→in seventh heaven

→get [be] on one's high horse

→hit a person for six

→get the hook

→hook, line, and sinker

→go [jump] through the hoop(s)

→put a person through the hoop

→be on the horns of a dilemma

→lock horns

→beat [flog] a dead horse

I

→dot the [one's] i's /z/ and cross the [one's] t's /tz/

→Beware the Ides of March.

→have (too) many irons in the fire

J

→keep up with the Joneses

K

→the kiss of death

L

→L^２

→the land of Nod

→stick to one's last

→lay it on (thick)

→nail a lie to the counter

→out on a limb

→give a person line enough

→beard the lion in his den

→lock, stock, and barrel

M

→before the mast

→on the mat

→mercurial

→midsummer madness

→Monday morning quarterback

→money for jam [old rope]

→once in a blue moon

→over the moon

N

→by a neck

→neck or nothing

→look for a needle in a haystack

→feather one's nest

→dressed (up) to the nines

→rub a person's nose in it

O

→pour oil on the waters [troubled waters]

→the Old Lady of Threadneedle Street

→olive branch

→ostrich

P

→mind [watch] one's P's [p's] and Q's [q's]

→put paid to…

→paint a person black

→have an itching [itchy] palm

→In for a penny, in for a pound.

→The penny (has) dropped.

→buy a pig in a poke

→He who pays the piper calls the tune.

→queer a person's pitch＝queer the pitch for a person

→on a plate

→pull the plug on…

→go to pot

→a pound of flesh

→keep one's powder dry

→take a powder

→kick against the pricks

→All hands to the pump(s)!

→a Pyrrhic victory

→try to put a quart into a pint pot

R

→like a red rag to a bull

→red

→in the red

→see red

→red‐eye

→red herring

→beat a retreat

→thumb a ride

→right^２

→read a person the riot act

→rise from the ashes

→sell a person down the river

→send a person up the river

→fiddle while Rome is burning

→under the rose

→a hard [long] row to hoe

→rub a person (up) the wrong way

→cross [pass] the Rubicon

S

→sadder but wiser

→put [drop] salt on the tail of…

→worth one's salt

→a good Samaritan

→sawbuck

→have a screw loose

→put [tighten] the screws on a person

→be bursting at the seams

→Search me.

→by the seat of one's pants

→sell one's life dear [dearly]

→open sesame

→lick [knock] …into shape

→One may [might] as well be hanged for a sheep as (for) a lamb.

→three sheets in [to] the wind

→when one's ship comes home [in]

→keep one's shirt on [通例命令法で]

→lose one's shirt

→put one's shirt on…

→on a shoestring

→a shot in the dark

→call the shots

→shotgun marriage

→put [set] one's shoulder to the wheel

→straight from the shoulder

→be all over bar [but] the shouting

→on the wrong side of the tracks

→sing for one's supper

→singe one's wings

→sink or swim

→skeleton at the feast

→skeleton in the closet [《英》 cupboard]

→laugh up one's sleeve

→roll up one's sleeves

→spleen

→throw in [up] the sponge

→be born with a silver spoon in one's mouth

→knock spots off a person

→win one's spurs

→back to square one

→square root

→pull out all the stops

→have a person on a string

→pull strings

→follow suit

→cut a swath through…

→All systems go!

T

→to a T

→turn the tables

→with the [one's] tail between the [one's] legs

→be all (fingers and) thumbs

→cut one's teeth on [in]…

→long in the tooth

→kick over the traces

→turn up trumps

U

→on one's uppers

V

→the villain of the piece

→visiting fireman

W

→a case of the tail wagging the dog

→on the (water) wagon

→come out in the wash

→pull one's (own) weight

→What next?

→oil the wheels

→whistle in the dark

→wet one's whistle

→sound in wind and limb

→take the wind out of a person's sails [the sails of a person]

→fight [tilt at] windmills

→clip a person's wings

→wait in the wings

→cry wolf

→a nine days' wonder

→lick one's wounds

→wring a person's neck