Use "floodgate" in a sentence

1. If Larocka pulled that lever, the floodgate would open, and Sespian would be seared alive

2. off as he opened a floodgate of new information that I filled sheet after sheet of notepaper

3. The floodgate of emotion over her death had finally begun to release

4. All the profits went to Fillegal to parcel out as he pleased (but neither I, nor anyone with me, said anything about the busker’s wages we were earning), and late in the winter I had a miserable experience with a floodgate beneath a city wall