purity, a lack of any admixture, a state of being undiluted

unrefined / pure, undefiled, unadulterated

life; lifetime

raw / fresh / uncooked / live / natural

nth-year student or pupil

何事: what sort of matter; unspecified matter

何奴: which one, who

何が何でも: at all costs, whatever it takes

(informal, humorous) A phrase used to feign ignorance to the existence of a concept.

"to end as a fruitless blossom": to end without bearing fruit (results)