YOU SAID:

I should've known it was strange, you only come out at night

INTO JAPANESE

おかしいとわかっていたはずだった、あなたは夜にしか出てこない

BACK INTO ENGLISH

I should have known you were crazy, you only come out at night

INTO JAPANESE

あなたが気が狂っていることを知っておくべきだった、あなたは夜しか出てこない

BACK INTO ENGLISH

I should have known you were crazy, you only come out at night