YOU SAID:

According to the book, I have to make sure that the eggs are boiled for at least 5 minutes, or else it would taste bad.

INTO JAPANESE

この本によれば、私は卵が少なくとも5分間沸騰することを確認しなければならない、そうでなければ味が悪くなる。

BACK INTO ENGLISH

According to this book, I have to confirm that the egg boils for at least 5 minutes, otherwise the taste gets worse.

INTO JAPANESE

この本によれば、私は卵が少なくとも5分間沸騰することを確認しなければならない、さもなければ味が悪化する。

BACK INTO ENGLISH

According to this book, I have to confirm that the egg boils for at least 5 minutes, otherwise the taste gets worse.