YOU SAID:

I do not speak much Japanese, but I am trying my best to learn.

INTO JAPANESE

日本語はあまり話せませんが、勉強するために全力を尽くしています。

BACK INTO ENGLISH

I can't speak Japanese very much, but I'm doing my best to study.

INTO JAPANESE

日本語はあまり話せませんが、頑張って勉強しています。

BACK INTO ENGLISH

I can't speak much Japanese, but I'm studying hard.

INTO JAPANESE

日本語はあまり話せませんが、一生懸命勉強しています。

BACK INTO ENGLISH

I can't speak Japanese very much, but I'm studying hard.

INTO JAPANESE

日本語はあまり話せませんが、一生懸命勉強しています。

BACK INTO ENGLISH

I can't speak Japanese very much, but I'm studying hard.