scare away (someone/something)

to cause someone or something to go or stay away.

Video cameras may be helpful to police, but they do not scare away robbers.

He scared them away by yelling and firing into the air.

• mummy's boy
• mum's the word
• Mum's the word.
• Murphy's law
• muscle in on
• muscle in on something
• music to ears
• music to someone's ears
• mutton dressed as lamb
• mutton dressed up as lamb
• mutual admiration society
• My arse!
• my foot
• My foot!
• My lips are sealed.
• mystery to
• mystery to you
• nail-biting
• nail colours to the mast
• nail down
• nail in the coffin of
• nail in the coffin of something
• nail someone to the wall
• nail something down
• nail to the wall