YOU SAID:

a cat is a dog when it barks but a dog is a cat when it meows

INTO JAPANESE

猫は吠えるときは犬ですが、ニャーと鳴くときは犬です

BACK INTO ENGLISH

Cats are dogs when they bark, but dogs when they meow

INTO JAPANESE

猫は吠えるときは犬ですが、ニャーと鳴くときは犬です

BACK INTO ENGLISH

Cats are dogs when they bark, but dogs when they meow