YOU SAID:

i do not have any idea as to what i should say at this very moment.

INTO JAPANESE

私はこの瞬間に何を言うべきかについて何も考えていません。

BACK INTO ENGLISH

I have no idea what to say at this moment.

INTO JAPANESE

私はこの瞬間に何を言うべきか分かりません。

BACK INTO ENGLISH

I don't know what to say at this moment.

INTO JAPANESE

現時点では何を言えばいいのかわかりません。

BACK INTO ENGLISH

I don't know what to say at this time.

INTO JAPANESE

現時点では何を言うべきかわかりません。

BACK INTO ENGLISH

I don't know what to say at this time.