YOU SAID:

black bird sings to himself while he is all alone like a little loner

INTO JAPANESE

黒い鳥は一人で小さな孤独のように一人で歌う

BACK INTO ENGLISH

The black bird sings alone like a little lonely

INTO JAPANESE

黒い鳥は少し寂しいように一人で歌います

BACK INTO ENGLISH

The black bird sings alone to be a little lonely

INTO JAPANESE

黒い鳥が一人で歌って少し寂しい

BACK INTO ENGLISH

The black bird sings alone and is a little lonely

INTO JAPANESE

黒い鳥は一人で歌い、少し寂しいです

BACK INTO ENGLISH

The black bird sings alone and is a little lonely