to waste time on a topic that has already been resolved
すでに解決した話題に時間を無駄にする (sudeni kaiketsu shita wadai ni jikan o muda ni suru)
"Stop beating a dead horse; the decision is final."
"もうその話はやめよう。決定は最終だ。" (mou sono hanashi wa yameyou kettei wa saishu da)
to achieve great success or win something valuable
to throw something away
to succeed in a difficult situation or competition
to quickly embrace an idea or connect with someone
to waste money on something useless
to be going in the correct direction to achieve success