The only slight weakness was to the rear of the position in the north east.

His only weakness is flexibility, but he's working on that.

This is their only weakness and eventually they are killed by Neil.

The 100i's only weakness is that it can't pull off all of these tricks on its own.

His only weakness is that he cannot face girls, though he's the first one who dates a girl on the team.

The only weakness appeared to be a lack of trained men.

The only weakness I could find while reading it was in fact, the ending.

But he also realized that she had just revealed what might very well be her only weakness.

I always thought it was one of her only weaknesses.