Words meaning with sentences

Break a leg’
Meaning
‘good luck’
Sentence
Please break a leg Nadeem, I’m sure your performance will be great.”

To hit the nail on the head’
Meaning
to describe exactly what is causing a problem.
Sentence

“He hit the nail on the head when he said this company needs more HR support.”

‘Once in a blue moon’
Meaning
an event that happens infrequently.
Sentence

“I only go to the club once in a blue moon.”