A determined enemy can counterattack against the infantry on the flanks, thereby cutting off the spearhead from resupply and quickly bringing it to a halt.

He was a determined enemy of bleeding in all cases, relying chiefly on sudorifics.

First, we have a determined enemy who hates us.

Paratroopers and infantrymen waged a tenacious battle with the well dug-in and determined enemy.

Through his effort the allied company was restored to an effective fighting unit and prevented defeat of the friendly forces by a strong and determined enemy.