other person / partner / opponent

to use / to employ / to make use of, to apply / to spend

judo

fell; throw down; knock down; cause something upright to become horizontal / kill / defeat / overthrow / avoid paying (a debt)

to a great extent

technology; technique; technical

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

use one thing for many purposes / work someone hard