Translate english to japanese casual female speech?

Question:

NO Google or other transl...

> i'll keep practicing my japanese even though is difficult.
> i want to learn some japanese before i go to japan this year.
> i hope i have the confidence to speak japanese.

Answer:

> i'll keep practicing my japanese even though is difficult.
日本語難しいけど、勉強がんばるね。
nihongo muzukasii kedo, benkyou ganbaru ne.

> i want to learn some japanese before i go to japan this year.
今年日本に行く前にもっと日本語勉強したい。
kotoshi nihon ni iku mae ni motto nihongo benkyou sitai.

> i hope i have the confidence to speak japanese.
日本語もっと自信を持って話せるようになりたいなぁ。
nihongo motto jishin wo motte hanaseru youni naritai na~.

i think this is very casual female talking~.