open the floodgates
打开闸门
口语·形容大量涌现
英文释义
to allow a large amount of something, such as information or emotions, to flow freely and uncontrollably
例句
The new policy opened the floodgates for complaints from customers.
典故来源
源自水利工程，水闸打开后水流无法控制，比喻某种事物（如情绪、信息）突然大量释放。