Question

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Keep your chin up and I hope you break a leg! It only happens once in a blue moon. What does this idiomatic phrase actually mean?

1. Look upwards and keep smiling. It only happens once every month.
2. Stay positive and I wish you good luck! It hardly ever happens.
3. Stop talking and I hope you have lots of fun! It only happens once every year.
4. Don’t stare at the ground, I wish you would fall over! It happens all the time.
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Answer 1

The answer is 2. Stay positive and I wish you good luck! It hardly ever happens.

Answer 2

Answer :

The idiomatic phrase 'Keep your chin up and I hope you break a leg! It only happens once in a blue moon.' actually means :

2. Stay positive and I wish you good luck! It hardly ever happens.

Macmillan Dictionary defines 'keep your chin up' as 'used for telling someone to be brave and happy even though they are in a difficult situation.'

Macmillan Dictionary defines 'break a leg' as 'used for wishing someone good luck.'

Macmillan Dictionary defines 'once in a blue moon' as 'very rarely.'