单词water over the dam
网络: 既成事实；木已成舟；覆水难收
Since the sweater is too small already, don"t worry about its shrinking; that"s water over the dam.
毛线衫既已嫌小，就不要担心它会缩水；反正已无法使它合身了。
"Water over the dam" is another expression about a past event.
Wateroverthedam（既成事实）是一个有关过去事件的表达。
Don"t keep on so, It"s water over the dam.
不要老念叨了，过去的就过去了。