YOU SAID:

i ##w# to paint my nails

INTO JAPANESE

私は爪にマニキュアを塗るつもりです

BACK INTO ENGLISH

I'm going to paint my nails with nail polish.

INTO JAPANESE

マニキュアを塗って爪に塗ろうと思います。

BACK INTO ENGLISH

I think I'll paint my nails with nail polish.

INTO JAPANESE

マニキュアを塗って爪に塗ろうかな。

BACK INTO ENGLISH

Maybe I'll get some nail polish and paint my nails.

INTO JAPANESE

マニキュアを買って爪に塗ってみようかな。

BACK INTO ENGLISH

Maybe I'll buy some nail polish and paint my nails.

INTO JAPANESE

マニキュアを買って爪に塗ってみようかな。

BACK INTO ENGLISH

Maybe I'll buy some nail polish and paint my nails.