(literary) myriad years; eternity

(astronomy) a nova

living, life, survival

to be well versed (in), to have expertise, to be well acquainted (with)

mastery, proficiency, expertise / semenarche, first ejaculation during puberty

west, western area

(traditional Chinese phonology) a voiceless and unaspirated onset obstruent, including the glottal stop

supervising the production of

supervise the production of

handsome, chiseled (face)