Answers to weekly quiz:

1. B) Break the ice: Used to start a conversation or make people feel comfortable.

2. A) Piece of cake: Describes something very easy to do.

3. A) Costs an arm and a leg: Means to be very expensive.

4. C) Cat out of the bag: To reveal a secret by mistake.

5. A) Call it a day: To stop working on something. (Note: "Burn the midnight oil" means the opposite—working late).

6. A) Barking up the wrong tree: To blame the wrong person or look in the wrong place.

7. B) Under the weather: Feeling slightly ill or sick.