Phrases Conversational Starters and Small Talk

It's water under the bridge.

C2

Meaning

It's a past event that is no longer important.

Example sentences

John: I'm still upset about what happened last year.

Alice: I know, but it's water under the bridge. We should move on.

John: I suppose you're right. It's difficult, though.

Alice: Yes, but dwelling on it won't change anything. Let's focus on the present; it's water under the bridge.