extent to which one has acquired skill

times

(music) a piano

extraordinary, unusual

emergency

very; extremely / exceedingly; tremendously

practice, train, drill / polish, gloss / refine

(slang) covert studying / practice

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