The idiom "water under the bridge" means that something has happened in the past and it cannot be changed or undone. It refers to a situation or event that has already occurred and is now in the past.
For example, if two friends had an argument in the past and they have since made up, one of them might say "let's forget about the argument, it's water under the bridge now." This means that they should move on from the argument and not dwell on it because it cannot be changed.
Another example could be if someone lost a job in the past and has since found a new one, they might say "losing my old job is water under the bridge now, I'm happy in my new job." This means that they have moved on from the past and are now content with their current situation.
Overall, "water under the bridge" is used to describe something that has happened in the past and cannot be changed, so it's best to move on and not dwell on it.
• Despite the challenges we faced in our relationship, we learned to forgive and move on. The hurtful past is now just water under the bridge.
• After years of not speaking, we finally reconnected and put our differences aside. The past is water under the bridge now.
• The political scandal from years ago may have caused uproar, but it's now water under the bridge as the public has moved on to other issues.
• I know we had a fight earlier, but let's forget about it. It's just water under the bridge.
• It's okay, don't worry about the mistake you made. It's water under the bridge now.
• I regret the decision I made in the past, but what's done is done. It's water under the bridge.