YOU SAID:
Timmy is my best friend
INTO JAPANESE
ティミーは私の親友
BACK INTO ENGLISH
Timmy is my best friend.
INTO JAPANESE
ティミーは私の親友です。
BACK INTO ENGLISH
Timmy is a good friend of mine.
INTO JAPANESE
ティミーは、私の良き友人です。
BACK INTO ENGLISH
Timmy is a good friend of mine.
That's deep, man.