You should treasure every encounter, for it will never recur.

vicissitudes, the way that the world or a person prospers one day and declines the next

dotting the i's and crossing the t's

successive series of questions and responses

revisionist

The bethrothed are to tie the knot. The newlyweds' fingers are bound together by a red rope, symbolizing that their destinies are now bound forever.

(military, historical) a commander of an expeditionary force sent to subdue the 蝦夷 (Emishi, “ancient ethnic group from northeastern Japan”)

sexual orientation

a tracker, one who follows trails / a pursuer

(astronomy, metrology) parsec