YOU SAID:
Elite light infantry, while a major threat to the enemy's supply lines, was not very well suited to dealing with large quantities of enemy armour.
INTO JAPANESE
エリート軽歩兵は、敵の補給線に対する大きな脅威ではあるが、大量の敵装甲を扱うのにあまり適していなかった。
BACK INTO ENGLISH
Elite light infantry is a big threat to enemy supply lines, but it was not well suited to handle large numbers of enemy armor.
INTO JAPANESE
エリート軽歩兵は敵の補給線にとって大きな脅威ですが、大量の敵装甲を扱うのにあまり適していませんでした。
BACK INTO ENGLISH
Elite light infantry is a big threat to enemy supply lines, but it was not well suited to handle large numbers of enemy armor.
That didn't even make that much sense in English.