勤つとめ盛ざかりMeaningsNoun1. the prime of one's careerKanji used勤devotion to work盛a heap ofComposed of勤つとめservice; duty; business; responsibility; task; Buddhist religious servicesNoun盛さかりheight (e.g. of summer); peak (e.g. of cherry blossom season); (in) season; full bloom; full swing (of a party, etc.); prime (of one's life); (one's) best days; bloom; (being in) heat; rutNoun