A chink in the armor.
They had way to many chinks in their armor.
The hard-wear store
Because without them, they'd just be cauc.
Better not say. I feel like I'm already treading on a slippery slope.
Two soldiers are in a tank. One turns to the other and says "GLUGGLUGBLUGBWOOABB"
Fill up the tank
They all have chinks in their armor.
No matter how much protective garments they wear, there's still a chink in the armor.