YOU SAID:
Once a cat always a cat
INTO JAPANESE
かつて猫は常に猫
BACK INTO ENGLISH
Once a cat is always a cat
INTO JAPANESE
猫は常に猫です
BACK INTO ENGLISH
Cats are always cats
INTO JAPANESE
猫はいつも猫です
BACK INTO ENGLISH
Cats are always cats
Come on, you can do better than that.