Useful Idioms By Sanjay Jha, Author 1. Break the ice – To start a conversation and make people feel more comfortable. 2. Hit the nail on the head – To describe exactly what is causing a situation or problem. 3. Spill the beans – To reveal a secret. 4. Burn the midnight oil – To work late into the night. 5. Bite the bullet – To endure a painful or difficult situation bravely. 6. Under the weather – Feeling sick or unwell. 7. A blessing in disguise – Something that seems bad but turns out to be good. 8. Let the cat out of the bag – To accidentally reveal a secret. 9. Cost an arm and a leg – Very expensive. 10. Pull someone’s leg – To joke with someone. 11. Throw in the towel – To give up. 12. Once in a blue moon – Something that happens very rarely. 13. Hit the sack – To go to bed. 14. Piece of cake – Something that is very easy. 15. Back to square one – To start over again.