to waste time on a topic that has already been resolved
тратить время на тему, которая уже решена (tratit vremya na temu kotoraya uzhe reshena)
"Stop beating a dead horse; the decision is final."
"Хватит обсуждать это; решение окончательное." (khvatit obsuzhdat eto reshenie okonchatelnoe)
Small details are often the most important or problematic.
to take a subordinate role to someone else
to eat something quickly
a perfect romantic couple
to face an unexpected problem or obstacle
people who start early are more likely to succeed