Achilles heel

Brian Levin, founder of the Center for the Study of Hate and Extremism and a professor emeritus at Cal State San Bernardino, said foreign adversaries and extremists for years have been exploiting a perceived Achilles heel in American society to advance polarization.

But along the interior of the Chargers’ offensive line — an Achilles’ heel amid last year’s success, too often leaving Justin Herbert running for his life — the battle isn’t over who will start, but where.

And that starts getting dangerously close to the regime’s real Achilles’ heel.

I can't quite decide if that self-deprecation is The 1975's greatest strength or their Achilles' heel.

By observing his adversary he figures out his Achilles heel is similar to his own, in that they’re both men who once desired to help others, but were defeated in that laudable aim by corrupt superiors beholden to people who rule with wealth.