a peaceful and quiet period before a period of activity or trouble.

The family are arriving this afternoon so I'm just sitting down with a cup of coffee, enjoying the calm before the storm.

• have an axe to grind
• have an ax to grind
• have an ear for
• have an ear for something
• have an eye for
• have an eye for something
• have an eye for the main chance
• have an eye on the main chance
• have an open mind
• have a nose
• have a nose for
• have a nose for something
• have a nose round
• have another think
• have another think coming
• have ants in pants
• have ants in your pants
• have a one-track mind
• have a ... pair of lungs
• have a pot to piss in
• have a prayer
• have a ring to it
• have a rough time
• have a rough time of it
• have a screw loose