the 10 idioms with meaning are :
1. piece of cake - to get an easy task which would be easy to complete.
2. pull a rabbit out of the hat - to do something unexpected.
3. backed him/her up - to give the support.
4. to come back to the earth - to stop dreaming.
5. turned over a new leaf - began a different mode of the life.
6. break a leg - good luck.
7. she/he was bit muzzy - confused.
8. best way of spirits - a good remark on an person.
9. the sun rises and sets on you - a wonderful person.
10. a penny of your thought - to ask some one what is he/she is thinking.
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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