blaze a trail - to do something that no-one has done before, especially something which will be important for other people.

We'll be discussing the latest book from trail-blazing American feminist Gloria Steinem. (always before noun)

• 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
• rattle cage
• rattle off
• rattle off something
• rattle someone's cage
• raw deal
• ray of sunshine
• razzle-dazzle
• reach boiling point
• reach for the moon
• reach for the stars