落花枝に帰らず破鏡再び照らさず

らっかえだにかえらずはきょうふたたびてらさずrakkaedanikaerazuhakyoufutatabiterasazu

expression

1. fallen blossom doesn't return to the branch, a broken mirror can not be made to shine
2. what's done is done
3. there's no use crying over spilled milk

Study it in Yanamino