Saying of the week


Open book and pages flying into skies


Definition: A person’s only vulnerable spot: a serious or fatal weakness

Origin: From Greek mythology – the nymph Thetis dipped her infant son Achilles into the River Styx to make him immortal. The heel by which she held him, however, was not touched by the water and he was killed in battle by an arrow wound to that heel.


Source: Oxford Dictionary of Idioms 2000