I admit I was wrong.

我承认我错了。

I thought he was honest, but I was wrong.

我原以为他是诚实的，但我错了。

Maybe I was wrong about pigeons.

也许我对鸽子有误解。

I was wrong about the new worker. He's not from Germany.

我把那个新来的工人的情况搞错了，他不是从德国来的。

I was wrong, I will correct it.

我错了，我会改正的。

I was wrong, I misunderstood you.

我错了，我误解了你。

I was wrong, please forgive me.

我错了，请原谅我。

I was wrong, it wasn't your fault.

我错了，那不是你的错。

I was wrong, I shouldn't have spoken that way.

我错了，不应该那样说话。

I was wrong about the time - the shop closed at 7, not 8.

我弄错了时间——商店7点关门，不是8点。