求翻译：过去的终归过去，失去的却无法忘却！当某一天回首过往，我会怎么去面对？会后悔今天的懦弱，彷徨！如果那天鼓起勇气再努力一次，或许结局就会不一样。是什么意思？

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The past after all passed by, loses is unable to put behind actually! When some one day looks back on passing, how can I go to face? Can regret today spiritless, paces back and forth! If that day has the courage again diligently one time, perhaps the result can not be dissimilar.

After all of the past in the past, lost but not forgotten! When one day look back on the past, how would I go? Regrets for today's cowardly, confused! If plucked up the courage to try again, or outcome will be different.