YOU SAID:

I’m going back to the house to go to the gym with the girls for the night so I’ll let you know if you need anything or do I need to get something for dinner tonight

INTO JAPANESE

夜は女の子たちとジムに行くために家に戻るので、何か必要なものがあればお知らせします。それとも今夜の夕食に何か買う必要がありますか?

BACK INTO ENGLISH

I'm heading back home to go to the gym with the girls in the evening, so I'll let you know if I need anything. Or do you need to buy something for dinner tonight?

INTO JAPANESE

夜は女の子たちとジムに行くために家に戻るので、何か必要なことがあればお知らせします。それとも今夜の夕食に何か買う必要がありますか?

BACK INTO ENGLISH

I'm heading back home to go to the gym with the girls in the evening, so I'll let you know if I need anything. Or do you need to buy something for dinner tonight?