a hot potato : speak of an issue(mostly current) which many people are talking about and which is usually siaputed.
add insult to injury : to further a loss with mockery or indignity; to worsen an unfavorable situation.
at the drop of a hat : without any hesitation
ball is in your court : it is up to you to make the next decision or step.
barking up the wrong tree : looking in the wrong place.
best thing since sliced bread : a good invention or innovation.
be glad to see the back of : be happy when a person leaves.
bear around the bush : avoiding the main topic.
best of both worlds : all the advantages.
bite off more than you can chew : to take a task that is way too big.
blessing in disguise : something good that isn't recognized at first.
burn the midnight oil : to work late into the night, alluding to the time before electric lighting.
can't judge a book by its cover : cannot judge something primarily on appearance.
caught between two stools : when someone finds it difficult to choose between two alternatives.
costs an arm and a leg : this idiom is used when something s very expensive.
16.Cross that bridge when you come to it
Meaning: Deal with a problem if and when it becomes necessary, not before.
17.Cry over split milk
Meaning: When you complain about a loss from the past.
18.Curiosity killed the cat
Meaning: Being Inquisitive can lead you into an unpleasant situation.
19.Cut corners
Meaning:When something is done badly to save money.
20.Cut the mustard
Meaning: To succeed; to come up to expectations; adequate enough to compete or participate
21.Devil's Advocate
Meaning: To present a counter argument
22.Don't count your chickens before the eggs have hatched
Meaning: Don't make plans for something that might not happen.
23.Don't give up the day job
Meaning: You are not very good at something.
24.Don't put all your eggs in one basket
Meaning: Do not put all your resources in one possibility.
25.Elvis has left the building
Meaning: The show has come to an end. It's all over.
26.Every cloud has a silver lining
Meaning: Be optimistic, even difficult times will lead to better days.
27.Far cry from
Meaning: Very different from.
28.Feel a bit under the weather
Meaning: Feeling slightly ill.
29.Give the benefit of the doubt
Meaning: Believe someone's statement, without proof.
30.Hear it on the grapevine
Meaning: This idiom means 'to hear rumors' about something or someone.
31.Hit the nail on the head
Meaning: Do or say something exactly right
32.Hit the sack
Meaning: To go to bed.
33.In the heat of the moment
Meaning: Overwhelmed by what is happening in the moment.
34.Jump on the bandwagon
Meaning: Join a popular trend or activity.
35.Keep something at bay
Meaning: Keep something away.
36.Kill two birds with one stone
Meaning:to accomplish two different things at the same time.
37.Last straw
Meaning: The final problem in a series of problems.
38.Let sleeping dogs lie
Meaning - do not disturb a situation as it is - since it would result in trouble or complications.
39.Let the cat out of the bag
Meaning: To share information that was previously concealed
40.Method to my madness
Meaning: An assertion that, despite one's approach seeming random, there actually is structure to it.
41.Horse of another color
Meaning: Another matter altogether
42.Miss the boat
Meaning: This idiom is used to say that someone missed his or her chance
43.Not a spark of decency
Meaning: No manners
44.Not playing with a full deck
Meaning: Someone who lacks intelligence.
45.Off one's rocker
Meaning: Crazy, demented, out of one's mind, in a confused or befuddled state of mind, senile.
46.On the ball
Meaning: When someone understands the situation well.
47.Picture paints a thousand words
Meaning: A visual presentation is far more descriptive than words.
48.Put wool over other people's eyes
Meaning: To deceive someone into thinking well of them.
49.See eye to eye
Meaning: Used to say that two (or more people) agree on something.
50.Sit on the fence
Meaning: Used when someone does not want to choose or make a decision.
51.Steal someone's thunder
Meaning: To take the credit for something someone else did.
52.Take with a grain of salt
Meaning: This means not to take what someone says too seriously.
53.Taste of your own medicine
Meaning: Something happens to you, or is done to you, that you have done to someone else
54.To hear something straight from the horse's mouth
Meaning: To hear something from the authoritative source.
55.Whole nine yards
Meaning: Everything. All of it.
56.Wouldn't be caught dead
Meaning: Would never like to do something
57.Your guess is as good as mine
Meaning: To have no idea, do not know the answer to a question