a single rainfall / a single brief rain shower

a married woman / one's or other's wife / (obsolete) by extension of one's or other's spouse, one's or other's husband

(history) Alexander

single

one

千早人: allusion to 宇治 (Uji, “a placename, especially of a river crossing”)

those who know, know

a middleman, broker

(mahjong) hand of man: win by discard on the first go-around of play; depending on the rules, it can be worth 役満 (yakuman, “limit”), 倍満 (baiman), 満貫 (mangan), or any other number of points

harmony among people