YOU SAID:

And you're dancing 'round your room when the night ends When the night ends

INTO JAPANESE

夜が終わると部屋の周りを踊っている夜が終わると

BACK INTO ENGLISH

When the night is over When the night dancing around the room is over

INTO JAPANESE

夜が終わったとき部屋の周りで踊っている夜が終わったとき

BACK INTO ENGLISH

When the night is over When the night dancing around the room is over