1. A hot potato=Speak of an issue (mostly current) which many people are talking about and which is usually disputed.

2. A penny for your thoughts=A way of asking what someone is thinking.

3. Actions speak louder than words=People's intentions can be judged better by what they do than what they say.

4. Add insult to injury=To further a loss with mockery or indignity; to worsen an unfavorable situation.

5. An arm and a leg=Very expensive or costly. A large amount of money.

6. At the drop of a hat=Meaning: without any hesitation; instantly.

7. Back to the drawing board=When an attempt fails and it's time to start all over.

8. Ball is in your court=It is up to you to make the next decision or step.

9. Barking up the wrong tree=Looking in the wrong place. Accusing the wrong person.

10. Be glad to see the back of=Be happy when a person leaves.

Hope this helps:)
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the idioms are :1. to pull a rabbit form a hat : to do something that is unexpected.
2. a piece of cake - to get an easy work to complete.
3. sun rises and sets on you  - your a wonderful person.
4. she/he was but muzzy - the person is confused.
5. I owe a debt of gratitude - to be very much thankful to a person.
6.a penny of your thought - to ask some one what he/she is thinking.
7. chase your tale - doing to many tasks but getting only some achievement for it.
8. tricks of trade - to be clever in an particular aspects.
9.  back up someone - to support the person.
10. to come back to the earth - to stop dreaming.
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