YOU SAID:

I have no idea what to say, so here goes nothing.

INTO JAPANESE

何を言ったらいいかわからないので、ここでは何もしません。

BACK INTO ENGLISH

I don't do anything here because I don't know what to say.

INTO JAPANESE

何を言うべきかわからないので、ここでは何もしません。

BACK INTO ENGLISH

I don't do anything here because I don't know what to say.