YOU SAID:

i have no idea what i have to write

INTO JAPANESE

何を書けばいいのかわからない

BACK INTO ENGLISH

I don't know what to write

INTO JAPANESE

なんて書けばいいの?

BACK INTO ENGLISH

I don't know what to write.

INTO JAPANESE

なんて書けばいいの?

BACK INTO ENGLISH

I don't know what to write.