finally, at last / (with a negative) in the end

Entering a stage of enlightenment (such as with Buddhism).

Enter a stage of enlightenment.

training / (Buddhism) sadhana; ascetic practices

to train / (Buddhism) to undergo ascetic training

many years

(used with negatives) for a long time

many years / a long lifespan

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