YOU SAID:

とてもよく効く薬なの　永遠（とわ）に眠れるほどによく効くの

INTO JAPANESE

とてもよく効く薬なの　永遠（とわ）に眠れるほどによく効くの

BACK INTO ENGLISH

It's a very good medicine that works so well that you can sleep forever.

INTO JAPANESE

それはあなたが永遠に眠ることができるほどうまくいく非常に良い薬です。

BACK INTO ENGLISH

It is a very good drug that works out so well that you can sleep forever.

INTO JAPANESE

それはあなたが永遠に眠ることができるほどうまくいく非常に良い薬です。

BACK INTO ENGLISH

It is a very good drug that works out so well that you can sleep forever.