When something happens 'out of the blue', what does it mean?

• It happens unexpectedly and without warning.
• It happens very slowly over time.
• It happens as planned and expected.
• It happens only on special occasions.

If someone says they are 'under the weather', it means they are feeling unwell.

What is the meaning of the idiom 'break the ice'?

• To start a conversation or social interaction in a way that makes people feel more relaxed.
• To physically break a block of ice.
• To end a difficult situation abruptly.
• To celebrate a successful event.

If a task is described as a 'piece of cake', it implies that it is very easy to do.