1. A hot potato

Speak of an issue 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 situaion

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 hesiation; 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

11. Best of both worlds

All the advantages

12. Best thing since sliced bread

A good invention or innovation. A good idea or plan

13. Bite off more than you can chew

To take oon a task that is way too big

14. Blessing in disguise

Something good that isn't recognized at first

15. Burn the midnight oil

To work late into the night, alluding to the time before electric lighting

16. Caught between two stools

When someone finds it difficult to choose between two alternatives

17. Cross the bridge when you come to it

Deal with a problem if and when it becomes necessary, not before

18. Cut the mustard

To succeed; to come up to expectations; adequate enough to compete or participate

19. Don't count your chickens before the eggs have hatched

Don't make plans for something that might not happen