YOU SAID:
2発の爆弾では十分ではありませんでした
INTO JAPANESE
2発の爆弾では十分ではありませんでした
BACK INTO ENGLISH
In the two bombs was not enough
INTO JAPANESE
2 つの爆弾で十分ではなかった
BACK INTO ENGLISH
In the two bombs was not enough
That didn't even make that much sense in English.