YOU SAID:

Now, what are you doing at the beach? I thought that you were going to bed?

INTO JAPANESE

今、ビーチでやっているか。私はあなたが寝るつもりだったと思った?

BACK INTO ENGLISH

Are you doing at the beach now? I thought you were going to go to bed?

INTO JAPANESE

遅くまで出かけてると思ったのに 何で帰ってきてるの？

BACK INTO ENGLISH

Oh, what are you doing back? I thought you were going to be up late.

INTO JAPANESE

遅くまで出かけてると思ったのに 何で帰ってきてるの？

BACK INTO ENGLISH

Oh, what are you doing back? I thought you were going to be up late.