YOU SAID:

i said, "please be quiet," but it didn't get quieter.

INTO JAPANESE

私は「静かにしてください」と言ったが、静かにはならなかった。

BACK INTO ENGLISH

I said "Please keep quiet," but I did not get quiet.

INTO JAPANESE

私は「静かにしてください」と言ったが、静かにはならなかった。

BACK INTO ENGLISH

I said "Please keep quiet," but I did not get quiet.