to spend, to consume / to waste, to squander

long time, long period of time

tuning (the adjustment of a system or circuit to secure optimum performance) / tuning (the calibration of a musical instrument to a standard pitch)

tune a system or circuit / tune a musical instrument

computerization; computerisation

computerize; computerise

system

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