ji ber ku

because

hêz

1. force
2. strength
3. might
4. power

û

and

pir

• Adv

  very

• Noun

mezin

• Adj

  1. large, big
  2. old, aged
  3. elder, older

• Noun

ber

• Noun

  front, face

• Prep

ku

• Conj

  1. that (connecting noun clause, introducing the result of the main clause)
  2. implied that (where it is grammatically necessary)

• Pron

ji

1. of
2. from