YOU SAID:

knees are bad and dogs are not as good as pancakes

INTO JAPANESE

膝は悪く、犬はパンケーキほどではありません

BACK INTO ENGLISH

My knees are bad and dogs aren't as good as pancakes

INTO JAPANESE

膝は悪くて犬はパンケーキほど美味しくない

BACK INTO ENGLISH

My knees are bad and dogs don't taste as good as pancakes.

INTO JAPANESE

膝は悪いし、犬はパンケーキほど美味しくない。

BACK INTO ENGLISH

My knees are bad and dogs don't taste as good as pancakes.