YOU SAID:

Girls can't dance, or so I've been told.

INTO JAPANESE

女の子は踊れないので、言われました。

BACK INTO ENGLISH

I was told because girls can't dance.

INTO JAPANESE

女の子は踊れないからと言われました。

BACK INTO ENGLISH

I was told that girls can't dance.

INTO JAPANESE

女の子は踊れないと言われました。

BACK INTO ENGLISH

The girl was told she couldn't dance.

INTO JAPANESE

その女の子は踊れないと言われた。

BACK INTO ENGLISH

The girl was told she couldn't dance.