YOU SAID:

I don't know. I feel nervous

INTO JAPANESE

知りません。緊張します。

BACK INTO ENGLISH

I do not know. The nervous.

INTO JAPANESE

知りません。神経系。

BACK INTO ENGLISH

I do not know. Nervous system.

INTO JAPANESE

分かりません。

BACK INTO ENGLISH

I don't understand.

INTO JAPANESE

分かりません。

BACK INTO ENGLISH

I don't understand.