Folks. = Relatives or people you know well
During the holidays we like to visit the folks back home.
Inside out. = To know perfectly
I've read this book four or five times, so I know it inside out.
Heads up ! = Be careful.
Heads up ! There's a chance of falling rocks in this area.
Heart of gold. = Very kind, understanding.
His wife always forgives him,understands him and is patient with him, she truly has a heart of gold.
To be looking up. = Signs of improvement.
Although the business situation has been serious recently, our business has been looking up.
To run into. = To meet by chance.
While I was in New York I ran into my cousin.
In the mood to. = Feel like, would like to.
I'm in the mood to go dancing tonight.
Have something in mind. = To be thinking about something or to have an idea.
I don't know exactly what I want to do in the future but I have something in mind.
To give someone a headache = Causes trouble for someone,annoys someone or to be disagreeable.
His company's quality problems always give him a headache.
To be run down. = To be very tired,fatigued or depressed.
I've been busy at work and I've caught a bad cold, so I have been run down lately.