YOU SAID:

i would have been taken aback had i not found it bothersome

INTO JAPANESE

面倒くさいことがなかったら、私はびっくりしたでしょう。

BACK INTO ENGLISH

I would have been surprised if it hadn't been a hassle.

INTO JAPANESE

面倒でなかったらびっくりしたでしょう。

BACK INTO ENGLISH

I would have been surprised if it wasn't bothersome.

INTO JAPANESE

面倒でなければびっくりしました。

BACK INTO ENGLISH

I was surprised if it wasn't bothersome.

INTO JAPANESE

面倒じゃなかったらびっくりしました。

BACK INTO ENGLISH

I was surprised if it wasn't bothersome.