YOU SAID:

I don't have a girlfriend and I'm sad

INTO JAPANESE

私にはガールフレンドがいません、そして悲しいです

BACK INTO ENGLISH

I have no girlfriend and sad

INTO JAPANESE

ガールフレンドがいなくて悲しい

BACK INTO ENGLISH

Sad without girlfriend

INTO JAPANESE

彼女なしで悲しい

BACK INTO ENGLISH

Sad without her

INTO JAPANESE

彼女なしで悲しい

BACK INTO ENGLISH

Sad without her