idioms

he idiom dictionary is compiled from the Cambridge International Dictionary of Idioms and the Cambridge Dictionary of American Idioms.

The Cambridge International Dictionary of Idioms explains over 7,000 idioms current in British, American and Australian English, helping learners to understand them and use them with confidence. The Cambridge Dictionary of American Idioms, based on the 200 million words of American English text in the Cambridge International Corpus, unlocks the meaning of more than 5,000 idiomatic phrases used in contemporary American English. Full-sentence examples show how idioms are really used.

The Cambridge University Press is respected worldwide for its commitment to advancing knowledge, education, learning, and research. It was founded on a royal charter granted to the University by Henry VIII in 1534 and has been operating continuously as a printer and publisher since the first Press book was printed in 1584.
Try it out (random idioms):
catch up in
all wool and a yard wide
writer's block
take hostage
far from
cute as a bug's ear
think well of
meat and two veg
make common cause with
throw in the sponge
to a tee
get day in court
true to word
bend in
Great day!
a mess of
cast eyes down
a kangaroo court
get arse in gear
soften up
play innocent
a movable feast
saving grace
talk tough
know something
wishful thinking
stoked on
sleep in
Say what?
ways and means
commend for
tumble down
spread oneself too thin
be the end of the world
run before can walk
lead the pack
be in the running
shut up shop
off base