YOU SAID:

I hope you dance your arms tonight

INTO JAPANESE

今夜は腕を踊っていいんだけど

BACK INTO ENGLISH

I'd love to dance my arms tonight.

INTO JAPANESE

私は今夜腕を踊りたいです。

BACK INTO ENGLISH

I want to dance my arms tonight.

INTO JAPANESE

今夜は腕を踊りたい。

BACK INTO ENGLISH

I want to dance my arms tonight.