裏技: trick

An underhanded trick. / A lifehack.

to inform, to teach, to instruct / to tell

teachings, doctrine, lesson

going out of one's way; taking extra trouble; making special effort; doing something intentionally

技有り: yuko, points or the judge call to the points in judo match. Fewer points to ippon.

技: skill, ability, talent, ingenuity / 業: profession, business, trade, karma

technique, art, skill

calamity, catastrophe

(judo) yuko, points or the judge call to the points in judo match. Fewer points to ippon.