"the affairs of adults", a euphemistic and intentionally vague explanation for things

understanding, comprehension / appreciation

difficult / hard, probably impossible

circumstances / reasons

child

understand, comprehend / appreciate

yet, still / Indicating it hasn't been a long time since something happened. / Indicating a choice is not good enough but still slightly better than others.

unfinished; not done

魔男: wizard / 魔弾: magic bullet

has not done yet