close the book on
US /kloʊz ðə bʊk ɑn/
UK /kləʊz ðə bʊk ɒn/
成语
结案, 结束
to stop dealing with a matter; to consider something finished
示例:
•
After years of investigation, the police decided to close the book on the cold case.
经过多年的调查，警方决定结案这起悬案。
•
Let's just close the book on this argument and move on.
我们还是结束这场争论，继续前进吧。