Easy
He is a walking dictionary
a metaphor
It weighs a ton!
a hyperbole
Strong in the force, you are
an anastrophe
They were as brave as lions
a comparison
act naturally
an oxymoron
I dreamed a dream of days gone by
a polyptoton
The fire ran wild
a personification
Like father, like son
a parallelism
One should eat to live, not live to eat
a chiasmus
You took my hand and heart away
a syllepsis
Speech is silver, but silence is gold
an antithesis
She sells seashells by the seashore
an alliteration