Answer:
Take matters into our own hands: Do it ourselves.
They're in a pickle: They're in trouble.
Making enough racket to wake the dead: Being really loud.
Feeling the sun on their cheeks like a warm iron: The sun is warm on her face. (The sun is being compared to a warm iron)
That's the way the cookie crumbles: That's the way things happen,
Her voice would be a ghost: He voice is quiet