YOU SAID:

if dogs ate chocolate they would die of the toxins

INTO JAPANESE

犬がチョコレートを食べたら、毒素で死んでしまう

BACK INTO ENGLISH

If the dog eats the chocolate, it will die from the toxin

INTO JAPANESE

犬がチョコレートを食べると、毒素で死にます

BACK INTO ENGLISH

When the dog eats the chocolate, it dies with the toxin

INTO JAPANESE

犬がチョコレートを食べると、毒素で死にます

BACK INTO ENGLISH

When the dog eats the chocolate, it dies with the toxin