put sth behind you

If you put an unpleasant experience behind you, you stop thinking about it, so that it does not affect your life.

如果你put不愉快的经历behind you，意思就是说你不再去想它，这样它就不会影响你的生活。译为“将(不愉快的经历)抛在脑后”。

It's over. You need to put it behind you now, and make plans for the future.

这事已经过去了。你需要将其抛诸脑后，为未来做打算。

Like any divorce, it was a painful business but I've put it all behind me now.

离婚都一样，都是令人痛苦的事，不过我现在已经把它抛在脑后了。