Dennis Oliver's Idioms: M
macho: super masculine / masculine to an extreme (in
appearance and behavior).
"Her husband would never agree to help with the
he's too macho to do that."
make a mountain out of a molehill: make something seem much
more important than it really is.
"Calm down. There's really nothing to worry about.
You're making a mountain out of a molehill."
make up one's mind: decide what to do.
A: Where are you going on your vacation?
B: Maybe Canada, maybe Mexico. I can't make up my mind."