German phrase
Das war nicht gut von mir.
Meaning
That wasn't good of me
When to use it
It admits you did wrong. Say this when apologizing to a friend.
Example dialogue
Warum hast du mein Bild zerrissen?
Why did you tear up my picture?
Ich war sauer. Das war nicht gut von mir. Ich mache dir ein neues.
I was angry. That wasn't good of me. I'll make you a new one.