YOU SAID:

I must go at once to Roderick and give him an oration.

INTO JAPANESE

私はすぐにロデリックに行き、彼に演説をしなければなりません。

BACK INTO ENGLISH

I have to go to Roderick immediately and give a speech to him.

INTO JAPANESE

私はすぐにロデリックに行き、彼にスピーチをしなければなりません。

BACK INTO ENGLISH

I have to go to Roderick right away and give him a speech.

INTO JAPANESE

私はすぐにロデリックに行き、彼にスピーチをしなければなりません。

BACK INTO ENGLISH

I have to go to Roderick right away and give him a speech.