YOU SAID:
Don't count your chickens until they've hatched.
INTO JAPANESE
鶏が孵化するまで数えてはいけません。
BACK INTO ENGLISH
Do not count until the chicken hatches.
INTO JAPANESE
鶏肉が孵化するまで数えないでください。
BACK INTO ENGLISH
Do not count until the chicken hatches.
That didn't even make that much sense in English.